Chapter 20 Chemical Bonds Vocabulary

Question 1

A compound that is composed of two elements.

Answer 1

binary compound

Question 2

A force that holds atoms together in a compound.

Answer 2

chemical bond

Question 3

Chemical shorthand that uses symbols to tell what elements are in a compound and their ratios.

Answer 3

chemical formula

Question 4

Attraction formed between atoms when they share electrons.

Answer 4

covalent bond

Question 5

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

Answer 5

hydrate

Question 6

Charged particle that has either more or fewer electrons than protons.

Answer 6

ion

Question 7

Attraction formed between oppositely charged 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

Not having separated positive and negative areas; nonpolar materials do not attract water molecules and do not dissolve easily in water.

Answer 9

nonpolar molecule

Question 10

Positive or negative number that indicates how many electrons an atom has gained, lost, or shared to become stable.

Answer 10

oxidation number

Question 11

Molecule with slightly positive end and a slightly negative end as a result of electrons being shared unequally.

Answer 11

polar molecule

Question 12

Positively or negatively charged, covalently bonded group of atoms.

Answer 12

polyatomic ion