Problem Set 1 S11

A they form ionic bonds in aqueous solutions b they

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Unformatted text preview: orm ionic bonds in aqueous solutions. B) They form covalent bonds in aqueous solutions. C) They are stable and chemically unreactive or inert. D) They exhibit similar chemical behaviors. E) Both C and D are correct. 10) What is the valence of an atom with six electrons in its outer electron shell? A) 1 B) 2 C) 3 D) 4 E) 5 11) A covalent chemical bond is one in which A) electrons are removed from one atom and transferred to another atom so that the two atoms become oppositely charged. B) protons and neutrons are shared by two atoms so as to satisfy the requirements of both atoms. C) outer-shell electrons of two atoms are shared so as to satisfactorily fill the outer electron shells of both atoms. D) outer-shell electrons of one atom are transferred to the inner electron shells of another atom. E) inner-shell electrons of one atom are transferred to the outer electron shell of another atom. 12) When two atoms are equally electronegative, they will interact to form A) equal numbers of isotopes. B) ions. C) polar covalent bonds. D) nonpolar covalent bonds. E) ionic bonds. 13) Van der Waals interactions result when A) hybrid orbitals overlap. B) electrons are not symmetrically distributed in a molecule. C) molecules held by ionic bonds react with water. D) two polar covalent bonds react. E) a hydrogen atom loses an electron. 14) The bonds that are broken when water vaporizes are ______ A) ionic bonds B) bonds between water molecules C) bonds between atoms within water molecules D) polar covalent bonds E) nonpolar covalent bonds 15) One liter of a solution with a pH of 2 has _____ hydrogen ions (H+) than 1 L of a solution with a pH of 6? A) 4 time...
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This document was uploaded on 05/02/2011.

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