two compounds? C H. H. H. NH, BH, A. NH3 and BH, are both nonpolar. B. NH, is nonpolar and BH, is polar. C. NH, is polar and BH, is nonpolar. D. NH3 and BH, are both polar molecules. 8. Why does sugar dissolve in water but not in gasoline? A. Gasoline is a nonpolar molecule. B. Sugar and water are both polar molecules. C. Water interacts with the polar areas of sucrose which makes sucrose dissolve in water. D. All of the above statements explain why sugar dissolves in water but not in gasoline. 9. What is the polarity of CO2 molecules? Why? A. It is polar, because its charges are distributed symmetrically and its molecular geometry is symmetrical. B. It is polar, because its charges are distributed asymmetrically and its molecular geometry is asymmetrical. C. It is nonpolar, because its charges are distributed symmetrically and its molecular geometry is symmetrical. D. It is nonpolar, because its charges are distributed asymmetrically and its molecular geometry is asymmetrical. 10. Which of the following statements is TRUE of the Lewis structure of BCI3? B.

The chemical name for laughing gas, which can be used as an anesthetic, is dinitrogen monoxide.  The chemical formula for laughing gas is   Group of answer choices A. N2O. B. NO. C. ON2. D. NO2.

An ionic bond/association is best described as a. the sharing of electrons between atoms. b. the transfer of electrons. c. a bond between gaseous elements. d. a bond between two metal atoms. e. a bond between a nonmetal and a nonmetal.

1. Describe Joule's experiment and the conclusion he came up with as a result.

Chapter 4 Worksheet Answer the following questions. Be sure to check your spelling. In ionic compounds, positively charged a. metals, anions b. nonmetals, cations c. metals, polyatomic ions d. nonmetals, anions e. metals, cations A) lose their valence electrons to become An ionic compound a. has a net positive charge. b. has a net negative charge. c. contains only cations. d. contains only anions. e. has a net charge of zero. 3) Which of the following compounds contains an ionic bond? a. NH3 b. H2О с. СаО d. H2 A group of covalently bonded atoms that has an overall electrical charge is called a(n) a. ionic compound. b. anion c. polyatomic ion. d. cation. e. molecule. In a molecule with covalent bonding, a. oppositely charged ions are held together by strong electrical attractions. b. atoms of metals form bonds to atoms of nonmetals. c. atoms of different metals form bonds. d. atoms are held together by sharing electrons. 10

Carbons forms a variety of compounds.  Which of the following is NOT a valid reason for this observation? a. Organic compounds may have many isomers. b. C can make multiple bonds to O, N, S, or other C. c. C can form single covalent bonds to O, N, S, and halogens. d. C forms a total of four covalent bonds. e. C forms stable covalent bonds to metal atoms.

Which type of bond results from the sharing of electron(s) between two atoms?   A. Ionic B. Covalent C. Hydrogen D. Electrovalent

Solve all of them please.

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Which type of bond will result in formation of ions? A. Ionic B. Covalent C. Hydrogen D. Alpha