Chapter 7 KTQ

Question 1

Avagadro’s Number

Answer 1

The number of representative particles contained in one mole of a substance; equal to 6.02 x 10^23 particles

Question 2

Empirical Formula

Answer 2

A formula with the lowest whole number ratio of elements in a compound

Question 3

Gram Atomic Mass

Answer 3

The mass, in mass, of one mole of atoms in a monatomic element

Question 4

Gram Formula Mass

Answer 4

The mass of one mole of an ionic compound

Question 6

Gram Molecular Mass

Answer 6

The mass, in grams, of one mole of a molecular substance

Question 7

Molar Mass

Answer 7

A general expression used to refer to the mass of a mole of any substance unless a more specific term is needed to avoid confusion

Question 8

Molar Volume

Answer 8

The volume occupied by 1 mole of a gas at standard temperature and pressure

Question 9

Mole

Answer 9

The amount of a substance that contains 6.02 x 10^23 representative particle of the substance

Question 10

Percent Composition

Answer 10

The percent by mass of each element in a compound

Question 11

Representative Particle

Answer 11

The smallest unit into which a substance can be broken down without a change in composition, usually atoms, molecules, or ions

Question 12

Standard Temperature

Answer 12

0°C

Question 13

Standard Pressure

Answer 13

1 atmosphere (atm)