2024 Which of the following describes a compound

Cultism is defined as the practices and devotions of a cult. It is a noun used to describe a cult, a religion, or a religious sect that is considered extreme or false and typically follows a charismatic leader.. Nccer module 1 review questions answers

Explain your answer. The model does not represent a compound because it shows two atoms of the same element combined. To be a compound, the model would need to contain atoms of different elements, represented by different-colored balls. H is a chemical. and H2 is a chemical. Study with Quizlet and memorize flashcards containing terms like The word atom is derived from a word in which language? a. Arabic b. Greek c. Hebrew d. Latin, Which of the following statements describe a compound? a. A compound is a pure substance. b. A compound obeys the law of constant composition. c. both a and b d. neither a nor b, Which of the following statements describe a mixture? a ...Question: Which of the following describes the compound NH4CH3COO? Choose all answers that apply. -The compound is ionic. -If the compound dissolved in water it would be a strong electrolyte. -The compound would be expected to be a solid at room temperature and pressure. -The compound is molecular. -If the compound dissolved in water it would ... The Gibbs free energy for the following reaction Na 2 SO 4 + 10 H 2 O ---- > Na 2 SO 4 * 10 H 2 O can be described by ΔG = ΔH - TDS = -77.8 kJ/mol - T (-261 J/mol*K) Based on this equation, it can be estimated that the reaction reverses at 298 K or 25 o C (ΔG =0). The drying process itself is slightly exothermic (ΔH for the process is negative) …Organic chemistry is the study of. Compounds containing carbon and hydrogen. A structural or condensed structural formula will give more information about blank in the molecule then the simple molecular formula. The order in which Adams are bonded. Which of the following statements correctly describes Easters. Study with Quizlet and memorize flashcards containing terms like Write the chemical formula of the ionic compound that is composed of Ti^4+ and O^-2 ions., To represent an ion, the charge of the ion is written as a right _______ next to the element symbol. If the charge is a number other than one, the number is usually written ________ the positive or negative sign., Which of the following ... Study with Quizlet and memorize flashcards containing terms like A substance, natural or synthetic, that is intended to prevent, alleviate, or cure an illness is called a(n) ., Organic chemistry is the study of compounds that _____., How many covalent bonds are typically formed by a neutral atom of each of the following elements?N forms_____ bonds.H forms_____ bonds.O forms _____bonds. and more.Study with Quizlet and memorize flashcards containing terms like Which of the following best describes a compound?, When chemical bonds form, the valence electrons in an atom can undergo all of the following in relation to other atoms EXCEPT _____., The ratio of elements in the molecular compound ethyl alcohol is: carbon, 2; hydrogen, 6; oxygen, 1. Which is the formula for this compound? and more. Which of the following best describes how compound interest works? a. The compound interest rate increases as the term progresses. b. Interest is calculated only at the end of the term. c. Interest is calculated only on previously earned interest. d. Interest is calculated and added to the previous balance to become the new balance.physical. Classify each of the following observations about the behavior of a substance. as a physical property or chemical property of the substance. a. does not react with oxygen at 50 C. b. reacts explosively with oxygen at 425 C. c. does not melt when heated to 100 C. d. melts at temperatures that exceed 250 C.Which of the following describes compounds a. are composed of elements that join in a specific ratio according to their masses b. are composed of two or more elements that are physically combined c. are random combinations of elements d. have the same characteristic properties as the elements that form themSolution. The correct option is C. It is formed by bonding of two or more elements. An element is defined as the simplest substance that cannot be broken down using chemical methods. A compound on the other hand is a substance formed when two or more chemical elements are bonded together. A molecule is formed by bonding of two or more …7) Which of the following terms best describes the pair of compounds shown: enantiomers, diastereomers, or the same compound? CH3 H3C OH HO 8) Label each asymmetric carbon in the compound below as R or S. OH CH3 9) Label each asymmetric carbon in the compound below as R or S. OH H CH3 OH H CH3 10) Label each assymetric carbon in the compound ...Question 26. Choose the correct answer: Which of the following best describes how compound interest works? [1 Mark] (a) Interest is calculated only on previously earned interest (b) The compound interest rate increases as the term progresses (c) Interest is calculated only at the end of the term (d) The compound interest rate increases as the term progresses9) Label each asymmetric carbon in the compound below as R or S. 10) Label each assymetric carbon in the compound below as R or S. 11) Draw the structure of (2 R ,3 S )-2,3-dichloropentane. Take particular care to indicate three-dimensional stereochemical detail properly. 12) Draw the structure of ( S )-1-bromo-1-chloropropane. Study with Quizlet and memorize flashcards containing terms like What element propels music forward in time?, In a compound meter, the beat is divided into groups of, A common way composers create rhythmic interest is by shifting the accent to a _____ (also known as an _____) instead of emphasizing the _____ beat of the measure. See Answer. Question: Which of the following describes the compound Mn (NO3)2? Choose all answers that apply. The compound is ionic. The compound is molecular. If the compound dissolved in water it would be a non-electrolyte. If the compound dissolved in water it would be a strong electrolyte. The compound would be expected to be a solid at ...Study with Quizlet and memorize flashcards containing terms like Which of the following statements correctly describe organic compounds?, Which of the following defines an organic compound?, Carbon has the ability to catenate, or form long, stable ___ of carbon atoms. This is because C-C bonds have relatively ____ bond strength and short bond lengths. and more. Study with Quizlet and memorize flashcards containing terms like Explain why the symbol for an atom of the element oxygen and the formula for a molecule of oxygen differ., Write the molecular and empirical formulas of the following compounds: (a) Figure A shows a carbon atom that forms two, separate double bonds with two oxygen atoms. (b) Figure B shows a hydrogen atom which forms a single ... Chemistry questions and answers. Which of the following best describes if a solvent will dissolve a compound. 1. the molecular weight of the solvent is similar to that of the compound 2. the functional group of the solvent and the compound are the same 3. the boiling point of the solvent and compound are similar 4.the dominant inter-molecular ...Study with Quizlet and memorize flashcards containing terms like Which of the following statements correctly describe Bronsted-Lowry acids? (Select all that apply.), Which of the following structural characteristics is required for a compound to act as a Bronsted-Lowry base?, Which of the following Bronsted-Lowry acid/base classifications are correct? (Select all that apply.) and more.Which one of the following describes what happens to the solubility of a slightly soluble ionic compound when a common ion is added to the solution? (a) The solubility of the ionic compound is reduced. (b) The solubility of the ionic compound is increas; Water can dissolve many compounds What happens when an ionic substance dissolves in it?Aug 24, 2020 · Which of the following correctly describes a compound? (4 points) The atoms are chemically bonded together, and they retain their individual physical and chemical properties. The atoms are not chemically bonded, and there is no set ratio for how the atoms can combine together. Which of the following best describes a possible carbon compound? A. One carbon atom forms a quadruple bond with another carbon atom. B. One carbon atom forms a double bond with an oxygen atom and two single bonds with two hydrogen atoms. C. One carbon atom forms five single bonds with five hydrogen atoms. D.This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. See Answer. Question: - Part A Which of the following compounds is correctly classified? View Available Hint (s) O CH3COCH3, organic, hydrocarbon O CH2Cl2, ionic CaCO3, organic CH3CH2CH3, organic, hydrocarbon …18.12. Which of the following best describes a result of the polar nature of water molecules? *A. Ionic compounds dissolve easily in water. B. The volume of ...Terms in this set (73) Which of the following species are the two products of respiration? Water. Carbon dioxide. mixture. Physical combination of two or more species. pure substance. Form of matter with a definite composition. Place the layers of Earth's atmosphere in the correct order, starting with the layer that is closest to Earth at the ...Which of the following could Alexa use to correctly describe the relationship between elements and compounds? Two compounds are required to make one element in natural systems. There is a finite number of elements that can be used to create a multitude of compounds. question 2 people found it helpful saimaparvezVT report flag outlined The statement describes a compound: "two or more types of atoms chemically bonded together". The correct answer would be an option (C). What is the compound? Compounds are pure molecules made up of two or more separate elements ' atoms.Study with Quizlet and memorize flashcards containing terms like Rank the states of matter based on increasing strength of intermolecular forces, placing the state whose intermolecular forces are weakest at the top., Which of the following properties of liquids are influenced by intermolecular forces? Select all that apply., Which of the following statements correctly describe the surface ... Explanation: a material that is made up of a combination of atoms bonded together best describes a compound. A compound is a pure substance that consists of two or more elements bonded together. Advertisement.A. the presence of a solid proves that a chemical change has occurred B. the presence of two colors proves that a chemical change has occurred C. The absence of gas bubbles proves that no change has occurred D. It is impossible to tell because it is unknown whether the solid formed during the reaction and more. Which of the following best describes a carbon atom double-bonded to an oxygen atom? CARBONYL GROUP. What is true about ketones? A.) Ketones contain a carbonyl group. B.) In a ketone, the carbonyl group is bonded to two carbons. C.) The carbon in the carbonyl group exhibits sp2 hybridization. Which of the following is the …Expert Answer. Option D is correct When a soluble ionic compound is dissolved in water then the process which goes on is that the ions ar …. QUESTION 2 Which of the following best describes what happens as a soluble ionic compound dissolves in water? O The ionic compound reacts with the water and falls apart into individual atoms O lonic ...Question: Which of the following describes the compound NH4CH3COO? Choose all answers that apply. -The compound is ionic. -If the compound dissolved in water it would be a strong electrolyte. -The compound would be expected to be a solid at room temperature and pressure. -The compound is molecular. -If the compound dissolved in water it would ...d.spiro bicyclic. 2.Which of the following describes the compound below? A. bridged bicyclic. B. spiro bicyclic. C. fused bicyclic. D. bridged tricyclic. 3.Choose the IUPAC name that best describes the following molecule. a.spiro [5.2]octane. b.bicyclo [3.2.1]octane. See Answer. Question: Consider the following alkyl chlorides. Which of the following graphs best describes how the rate of reaction between compound D and Br changes as a function of the concentration of the bromide ion? Question Image: А B C D CI . CI CI Answer Image: d) R A T E b) R A A T E E T E [Br] [Br] [Br] [Br] ing O E Answer Image: a ...Question: Which of the following describes an enzyme? O A catalyst for a chemical reaction O A compound that stores energy within its chemical bonds O A compound that is changed into a product during a chemical reaction The end product of a chemical reaction. There are 3 steps to solve this one.viscosity. A lobster grows a new claw...? regeneration. What is a body of mass around a mass? Satilite. Study with Quizlet and memorize flashcards containing terms like In chemistry, to be classified as an organic substance, a substance must contain...?, Which element does not contain any neutrons?, The chemical formula of a compound …Study with Quizlet and memorize flashcards containing terms like Which of the following statements describe a compound? a. a compound is a pure substance b. a compound …Chem Phlem is a set of flashcards on Quizlet that helps you learn the basics of chemistry, such as elements, compounds, reactions, and equations. You can study online or print them out, and test yourself with interactive games and quizzes. Chem Phlem is a fun and easy way to ace your chemistry exams.D) Matter can be created and destroyed. Which of the following statements regarding matter is false? A) All life is composed of matter. B) Matter is composed of elements. C) Matter had mass. D) Matter can be created and destroyed. E) Matter occupies space. B) A compound contains two or more different elements in a definite ratio.26, 26, 32. An isotope with 15 protons and 17 neutrons will have which symbol? 13. P. 15. An imaginary element zXa consists of two isotopes having masses of 100.0 amu and 102.0 amu. A sample of zXa was found to contain 75.0% of the zX100 isotope and 25.0% of the zX102. Calculate the atomic weight of zXa.88) Which of the following statements about the noble gases is incorrect? A) All have very stable electron arrangements. B) They are the most reactive of all gases. C) All have 8 valence electrons. D) All exist in nature as individual atoms rather than molecular form. 89) Which of the following statements concerning double covalent bonds is ...ELEMENTS AND COMPOUNDS. Elements and Compounds. 1-1. Which of the following correctly describes one of the differences between compounds and mixtures? (a) compounds contain more than one element but mixtures do not (b) compounds have a constant composition but mixtures do not Terms in this set (27) Which of the following is a chemical change? burning gasoline in your car. which of the following descriptions is used to describe the liquid state? matter in this state has a definite volume and the shape is determined by the container. which of the following is a chemical change? frying an egg.Study with Quizlet and memorize flashcards containing terms like Which of the following statements describe a compound? a. a compound is a pure substance b. a compound …Expert Answer. 100% (5 ratings) Transcribed image text: Which of the following options correctly describe covalent compounds? Select all that apply. Check all that apply. V Covalent compounds form when a metal bonds to ampnmetal A covalent compound is formed when electrons are shared The smallest unit of a covalent compound is called a molecule. Study with Quizlet and memorize flashcards containing terms like Which of the following options describe the correct format used when writing the chemical formula of a substance? Select all that apply., When naming a compound of two nonmetals, the number of ____ of each element is indicated by a Greek numerical prefix. The first element in the name is numbered only when more than ___ atom(s ...Which of the following statements correctly describe covalent compounds? Select all that apply. Most of the compounds that we come in contact with are covalent compounds. Covalent compounds are formed by sharing electrons between atoms. Nitrogen, N2, is a covalent compound.Which statement best describes a compound? a. a mixture of atoms b. a mixture of more than one element c. a material that is made up of a combination of atoms bonded together d. a material that is made up of a single type of atom e. none of the above; Which of the following best describes the substance XeF_4? a. Element. b. Compound. c.Which of the following describes the formation of a compound sentence? A. Two independent clauses are joined by a comma and a conjunction. B. Two dependent clauses are joined by a semicolon. C. A dependent clause is connected to an independent clause with a semicolon. D. A dependent clause is connected to an independent clause with a comma.a. a compound is a pure substance b. a compound obeys the law of constant competition c. both a and b d. neither a nor b c. both a and b Which of the following statements describes a mixture? a. a mixture does not contain a fixed ratio by mass of the component elements b. chemical techniques are required to separate the components of a mixtureChem Phlem is a set of flashcards on Quizlet that helps you learn the basics of chemistry, such as elements, compounds, reactions, and equations. You can study online or print them out, and test yourself with interactive games and quizzes. Chem Phlem is a fun and easy way to ace your chemistry exams.Study with Quizlet and memorize flashcards containing terms like 5-3, Which of the following terms best describes the pair of compounds shown: enantiomers, diastereomers, or the same compound?, Which of the following structures are identical to the structure in the box? and more. Study with Quizlet and memorize flashcards containing terms like Identify the compound with covalent bonds. A) CH4 B) Kr C) KBr D) K E) NaCl, Which of the following contains BOTH ionic and covalent bonds? A) CaBr2 B) COS C) BaSO4 D) SF6 E) None of the above contain both ionic and covalent bonds., An ionic bond is best described as A) the sharing of electrons. B) the transfer of electrons from ...The option which correctly describes a mixture is: D. The particles have no set ratio for how to combine, and they can be separated by physical means. A mixture can be defined as a combination of two (2) or more substances which are present in varied proportion (unfixed ratios).Also, a mixture can be visibly seen with our naked eyes and …Describe and define a compound-complex sentence. A compound-complex sentence has 2 or more independent clauses and at least 1 dependent clause. True or false: This is an example of a compound-complex; Before I went to the movies, I finished my homework, and it took forever. True. True or false: This is an example of a complex sentence; I do not ... Which of the following describes a chemical property of water? Water reacts violently with sodium metal. Which of the following is an example of a homogenous mixture? cranberry juice. Perform the following calculation and give the answer with the correct number of significant figures. 2.40 ÷ 31. 0.077. See more. About us.D) Matter can be created and destroyed. Which of the following statements regarding matter is false? A) All life is composed of matter. B) Matter is composed of elements. C) Matter had mass. D) Matter can be created and destroyed. E) Matter occupies space. B) A compound contains two or more different elements in a definite ratio.Study with Quizlet and memorize flashcards containing terms like The study of the causes or origin of diseases describes which of the following terms? a. Sequela b. Etiology c. Mortality d. Epidemiological, Which of the following is the correct ICD-10-CM code for this diagnostic statement; moderate cervical dysplasia? a. N89.1 b. N88.0 c. N90.3 d. N87.1, …Which of the following describes what happens to the solubility of a slightly soluble ionic compound when a common ion is added to the solution? There is no effect on the solubility of the ionic compound. More of the ionic compound dissolves. The solubility of the ionic compound is reduced. The solubility of the ionic compound is increased. BUY.For example, NaCl, , etc are all compounds. Atoms of a compound can be separated by chemical means. Hence, we an conclude that the atoms can only combine in fixed ratios, and they can only be separated by a chemical change, correctly describes a compound.Question 26. Choose the correct answer: Which of the following best describes how compound interest works? [1 Mark] (a) Interest is calculated only on previously earned interest (b) The compound interest rate increases as the term progresses (c) Interest is calculated only at the end of the term (d) The compound interest rate increases as the term progressesOc if the lon-dipole forces between the ions in the lonic compound and the dipole of the water molecules are stronger than the lon- ion forces holding the lonic compound in the solid state, the compound will dissolve in water. O d. Both a & b are correct. e Both a & care correct. Of. Both b&c are correct. O & None of the above statements are ...Which of the following best describes a compound? (A) Atoms chemically bonded together in a discrete unit. (B) A substance composed of two or more elements chemically bonded together in a fixed ratio. (C) A single …Chemical compound, any substance composed of identical molecules consisting of atoms of two or more chemical elements. All the matter in the universe is composed of the atoms of more than 100 different chemical elements, which are found both in pure form and combined in chemical compounds.Study with Quizlet and memorize flashcards containing terms like Which of the following statements best describes the relationship between autotrophs and heterotrophs? A) Autotrophs produce their organic molecules from CO2 and other inorganic molecules, whereas heterotrophs obtain their organic molecules from compounds produced by …Jan 4, 2013 ... While in mixtures proportions of constituents are highly variable, in compounds they are not. If a compound is molecular, all it's molecules are ...See Answer. Question: Which of the following describes the technique for recrystallizing a compound? O Dissolve the sample in the minimum amount of cold solvent and then heat it to boiling point. Dissolve the sample in a large volume of solvent and then evaporate the solvent using a rotary evaporator. O Dissolve the sample in the minimum amount ...Study with Quizlet and memorize flashcards containing terms like Which describes a series of chemical reactions that inactivate a drug by converting it to a water-soluble compound?, Which will cause drugs that are taken orally to be absorbed more quickly?, Which describe the effect of a drug that is mainly limited to the area where it is applied or enters the …A compound is a pure substance formed by the chemical combination of two or more different elements. A compound may be splitted into simpler substances by chemical reactions, and has different properties to those of the elements that form it. The composition of a compound is fixed: every piece of a compound has the same kind of …Study with Quizlet and memorize flashcards containing terms like Which of the following statements correctly describe how to name a binary molecular compound? Select all that apply., Greek numerical prefixes are used to indicate the number of atoms of a particular element present in a molecular compound. Four atoms of the same element will be named with the prefix ____, while the prefix ... Study with Quizlet and memorize flashcards containing terms like Which describes a series of chemical reactions that inactivate a drug by converting it to a water-soluble compound?, Which will cause drugs that are taken orally to be absorbed more quickly?, Which describe the effect of a drug that is mainly limited to the area where it is applied or enters the …Which of the following incorrectly describes cis-1.2-dimethylcyclopentane? A) It is a meso compound B) It is achiral. C) It contains two asymmetric carbons D) Its diastcreomer is trans- 1.2-dimethylcyclopentane E) It has an enantiomer. 2. What is the relationship between the pair of compounds shown: CMa A) enantiomers, B) diastereomers C) the sameQuestion: Question 26 Choose the correct answer: Which of the following best describes how compound interest works? [1 Mark] (a) Interest is calculated only on previously earned interest (b) The compound interest rate increases as the term progresses (c) Interest is calculated only at the end of the term (d) The compound interest rate increases as the …D) Matter can be created and destroyed. Which of the following statements regarding matter is false? A) All life is composed of matter. B) Matter is composed of elements. C) Matter had mass. D) Matter can be created and destroyed. E) Matter occupies space. B) A compound contains two or more different elements in a definite ratio.Study with Quizlet and memorize flashcards containing terms like A substance that releases ions in solution when dissolved in water is called a(n)_____. This solution _____conduct electricity., Which of the following represent correctly written formula units?, Arrange the statements from top to bottom to describe general process for naming binary molecular …

Final answer. Which of the following best describes an annuity? Deposits are made at random (whenever you have extra money) into an account earning interest. A lump sum is deposited into an account earning compound interest. Equal, regular deposits are made into an account earning interest. A lump sum is deposited into an account earning simple .... Quizlet match hack github

which of the following describes a compound

Study with Quizlet and memorize flashcards containing terms like The bond formed between two nonmetals, which are usually very similar in their tendency to lose or gain electrons, is a(n) _____ bond. This bond involves the _____ of one or more electron pairs between the two atoms., Which of the following statements correctly defines a molecule?, Each element in a given compound comprises a ...Identify identical compounds. A and C. What is the relative priority of the CH3 group in the following compound? 3. E configuration. the highest priority groups are on the opposite side of the double bond. trans configuration. the H atoms are bonded on the opposite side of the C=C. Stereoisomers. 7) Which of the following terms best describes the pair of compounds shown: enantiomers, diastereomers, or the same compound? CH3 H3C OH HO 8) Label each asymmetric carbon in the compound below as R or S. OH CH3 9) Label each asymmetric carbon in the compound below as R or S. OH H CH3 OH H CH3 10) Label each assymetric carbon in the compound ...Which of the following defines the identity of an element? Possible Answers ... Both of these compounds are composed of molecules, but hydrochloric acids ...Study with Quizlet and memorize flashcards containing terms like Which of the following statements correctly describe the structural features and reactivity of compounds containing a C-Z σ bond, where Z is a heteroatom such as oxygen? (Select all that apply., Which of the following are common structural features of organic compounds? (Select all that …Select all that apply. 1) Molecular compounds tend to contain nonmetals only. 2) Molecular compounds may contain ions. 3) Ionic compounds are composed of molecules. 4) Ionic compounds contain only one type of atom. 5) Nonmetals combine with metals to form ionic compounds. 1 and 5. Which of the following options correctly describe how to name an ... Study with Quizlet and memorize flashcards containing terms like Which of the following options describe the correct format used when writing the chemical formula of a substance? Select all that apply., When naming a compound of two nonmetals, the number of ____ of each element is indicated by a Greek numerical prefix. The first element in the name is numbered only when more than ___ atom(s ...Terms in this set (73) Which of the following species are the two products of respiration? Water. Carbon dioxide. mixture. Physical combination of two or more species. pure substance. Form of matter with a definite composition. Place the layers of Earth's atmosphere in the correct order, starting with the layer that is closest to Earth at the ...Study with Quizlet and memorize flashcards containing terms like 1: Which of the following statements accurately describes vitamins? A) Cooking vegetables at high temperatures helps maintain the vitamins. B) Vitamins are indestructible. C) Almost every action in the body requires the assistance of vitamins. D) Vitamins A, D, E, and K are …Ionic Compound Structure. The structure of an ionic compound depends on the relative sizes of the cations and anions. Ionic compounds include salts, oxides, hydroxides, sulphides, and the majority of inorganic compounds. Ionic solids are held together by the electrostatic attraction between the positive and negative ions.Study with Quizlet and memorize flashcards containing terms like Which of the following statements best describes organic chemistry?, Identify the statements that correctly describe the physical properties of organic compounds., Molecules with stronger intermolecular forces have _____ boiling points compared to molecules with weaker intermolecular forces. and more.Which of the following best describes a carbon atom double-bonded to an oxygen atom? CARBONYL GROUP. What is true about ketones? A.) Ketones contain a carbonyl group. B.) In a ketone, the carbonyl group is bonded to two carbons. C.) The carbon in the carbonyl group exhibits sp2 hybridization. Which of the following is the …Question: Which of the following describes the compound NH4CH3COO? Choose all answers that apply. -The compound is ionic. -If the compound dissolved in water it would be a strong electrolyte. -The compound would be expected to be a solid at room temperature and pressure. -The compound is molecular. -If the compound dissolved in water it would ...A compound is a substance formed when two or more different elements bond together chemically. In the options provided, 'a substance made of two oxygen atoms for each carbon atom' describes a compound, specifically carbon dioxide (CO2). Explanation: In chemistry, a compound is a substance formed when two or more …Which of the following statements correctly describe the structure of an ionic compound? 1) An ionic compound consists of a three-dimensional array of cations and anions. 2) The ratio of cations to anions is such that the compound is electrically neutral overall. Which of the following describes a compound? (Hint: Carbon and oxygen both appear on the periodic table.) A. a piece of pure carbon, containing only carbon atoms B. oxygen gas surrounding a solid piece of carbon C. a substance made of two oxygen atoms for each carbon atom D. carbon and oxygen atoms mixed without being bonded …88) Which of the following statements about the noble gases is incorrect? A) All have very stable electron arrangements. B) They are the most reactive of all gases. C) All have 8 valence electrons. D) All exist in nature as individual atoms rather than molecular form. 89) Which of the following statements concerning double covalent bonds is ....

Which of the following describes a compound - Which of the following best describes a compound? (A) Atoms chemically bonded together in a discrete unit. (B) A substance composed of two or more elements chemically bonded together in a fixed ratio. (C) A single …

Popular Topics