2.1 Vocb

Question 0

Basic unit of matter.

Answer 0

Atom

Question 1

anything that has mass and occupies space.

Answer 1

Matter

Question 2

a pure substance that consists entirely of one type of atom.

Answer 2

Chemical Element

Question 3

a substance formed by the chemical combination of two or more elements in definite proportions.

Answer 3

Chemical Compound

Question 4

are atoms of the same element that differ in their number of neutrons

Answer 4

Isotope

Question 5

The weighted average of the masses of an element’s isotopes, in which the abundance of each isotope in nature is considered

Answer 5

Atomic Mass

Question 6

are the forces that hold atoms together.

Answer 6

Chemical Bonds

Question 7

transfer of electrons

Answer 7

Ionic Bonding

Question 8

Rule of “8”

Answer 8

Octet Rule

Question 9

electrons in the outermost energy level.

Answer 9

Valence Electrons

Question 10

charged atoms

Answer 10

Ions

Question 11

is an ion with a negative charge.

Answer 11

Anion

Question 12

is an ion with a positive charge.

Answer 12

Cation

Question 13

sharing of electrons

Answer 13

Covalent Bonding

Question 14

equal sharing of electrons.

Answer 14

nonpolar covalent bond

Question 15

non equal sharing of electrons.

Answer 15

polar covalent bond