Chapter 1: Atoms

Question 1

What are the basic particles that compose ordinary matter?

Answer 1

Atoms

Question 2

The two different types of Mixtures

Answer 2

Heterogeneous and Homogenous

Question 3

The two different types of Pure Substances

Answer 3

Element and Compound

Question 4

An element is a substance that cannot…

Answer 4

Be chemically broken down into simpler substances

Question 5

A compound is a substance…

Answer 5

composed of two or more elements in fixed definite proportions

Question 6

A heterogeneous mixture is one which the composition…

Answer 6

varies from one region of the mixture to another

Question 7

A homogeneous mixture is one made of…

Answer 7

Multiple substances, but it appears to be one substance

Question 8

What are the three theories that created Atomic Theory

Answer 8

Law of Conservation of Mass, Law of Definite Proportions, Law of Multiple Proportions

Question 9

True or False. Neutrons and Protons have different masses.

Answer 9

False. Both have very similar masses, but neutrons have no charge

Question 10

The number of protons defines..

Answer 10

The element or aka the atomic number

Question 11

Positively charged ions

Answer 11

cations

Question 12

Negatively charged ions

Answer 12

anions

Question 13

Equation for Atomic Mass

Answer 13

Sum of .. (Fraction of Isotope n)x(mass of isotope n )