Chapter 20 Chemical Bonds Vocabulary

Question 1

A compound composed of two elements.

Answer 1

Binary Compound

Question 2

The force that holds atoms together in a compound.

Answer 2

Chemical Bond

Question 3

A formula that tells what elements a compound contains and the exact number of the atoms of each element in a unit of that compound.

Answer 3

Chemical Formula

Question 4

The attraction that forms between atoms when they share electrons.

Answer 4

Covalent Bond

Question 5

A compound that has water chemically attached to its ions and written into its chemical formula.

Answer 5

Hydrate

Question 6

An atom that has lost or gained electrons.

Answer 6

Ion

Question 7

The force of attraction between the opposite charges of ions in an ionic compound.

Answer 7

Ionic Bond

Question 8

A neutral particle that forms as a result of electron sharing.

Answer 8

Molecule

Question 9

A molecule in which electrons are shared equally in bonds.

Answer 9

Nonpolar Molecule

Question 10

Tells you how many electrons an atom has gained, lost, or shared to become stable.

Answer 10

Oxidation Number

Question 11

A molecule that has a slightly positive end and a slightly negative end although the overall molecule is neutral.

Answer 11

Polar Molecule

Question 12

A positively or negatively charged, covalently bonded group of atoms.

Answer 12

Polyatomic Ion