Chapter 8 And 9

Question 1

A bond formed by the sharing of electrons between atoms

Answer 1

Covalent bond

Question 2

A neutral group of atoms joined together by covalent bonds

Answer 2

Molecule

Question 3

A molecule consisting of two atoms

Answer 3

Diatomic molecule

Question 4

A compound that is composed of molecules

Answer 4

Molecular compound

Question 5

A chemical formula of a molecular molecule compound that shows the kinds and numbers of atoms present in a molecule of a compound

Answer 5

Molecular formula

Question 6

A bond formed when two atoms share a pair of electrons

Answer 6

Single covalent bond

Question 7

A chemical formula that shows the arrangement of atoms in a molecule or a polyatomic ion; each dash between a pair of atoms indicates a pair of shared electrons

Answer 7

Structural formula

Question 8

A pair of valence electrons that is not shared between atoms

Answer 8

Unshared pair

Question 9

A bond in which two atoms share two pairs of electrons

Answer 9

Double covalent bond

Question 10

A covalent bond in which three pairs of electrons are shared by two atoms

Answer 10

Triple covalent bond

Question 11

A covalent bond in which one atom contributes both bonding electrons

Answer 11

Coordinate covalent bond

Question 12

A tightly bound group of atoms that behaves as a unit and has a positive or negative charge

Answer 12

Polyatomic ion

Question 13

The energy required to break the bond between two covalently bonded atoms

Answer 13

Bond dissociation energy

Question 14

One of the two or more equally valid electron dot structures of a molecule or polyatomic ion

Answer 14

Resonance structure

Question 15

A covalent bond in which the electrons are shared equally by the two atoms

Answer 15

Nonpolar covalent bond

Question 16

A covalent bond between atoms in which the electrons are shared unequally

Answer 16

Polar covalent bond

Question 17

A molecule in which one side of the molecule is slightly negative and the opposite side is slightly positive

Answer 17

Polar molecule

Question 18

A molecule that has two poles, or regions, with opposite charges

Answer 18

Dipole

Question 19

The two weakest intermolecular attraction-dispersion interactions and dipole forces

Answer 19

Van der Waals forces

Question 20

Intermolecular forces resulting from the attraction of oppositely charged regions of polar molecules

Answer 20

Dipole interactions

Question 21

Attractions between molecules caused by the electron motion on one molecule affecting the electron motion on the other through electrical forces; these are the weakest interactions between molecules

Answer 21

Dispersion forces

Question 22

Attractive forces in which a hydrogen covalently bonded to a very electronegative atom is also weakly bonded to an unshared electron pair of another electronegative atom

Answer 22

Hydrogen bonds

Question 23

A solid in which all of the atoms are covalently bonded to each other

Answer 23

Network solid

Question 24

A single atom with a positive or negative charge resulting from the loss or gain of one or more valence electrons

Answer 24

Monatomic ion

Question 25

A compound composed of two elements

Answer 25

Binary compound

Question 26

A compound that produces hydrogen ions in solution

Answer 26

Acid

Question 27

A compound that produces hydroxide ions in solution

Answer 27

Base