Chapter 2

Question 1

Beta Particles and Rays

β

Answer 1

Charge: -1
(Negatively charged)
Smaller
Attracted to positive plate

Question 2

Gamma Particles and Rays

γ

Answer 2

High energy similar to X-rays does not consist of particles and has no charge

Question 3

Protons

Answer 3

Charge: +1

Positive particles

Question 4

Neutrons

Answer 4

Neutral particles

Question 5

Electron

Answer 5

Charge: -1

Question 6

Electron Charge

Answer 6

1.602X10^-19 C

Question 7

Atomic Number

Answer 7

Number of Protons

Question 8

Mass Number

Answer 8

Number of protons plus neutrons

Question 9

Number
X
Number

Answer 9

Atomic Number
Atomic Symbol
atomic Weight

Question 10

Molecular Formula

Answer 10

H-O-H

Question 11

Empirical Formula

Answer 11

H2O

Question 12

Ion

Answer 12

Electrons removed or added to a neutral atom

Question 13

Cation

Answer 13

Positively charged ion

Sodium loses one electron to make it: S+

Question 14

Anion

Answer 14

Negatively charged ion

Sodium gains an electron to make it: S-

Question 15

Ionic Compound

Answer 15

Contains positive and negatively charged ions

Composed of metals and non metals where molecular compounds are made up of only nonmetals

Question 16

Alpha Particles and Rays

α

Answer 16

Charge: 2+
(Positively charged)
Larger
Attracted to negative plate