General Information

Question 1

What elements naturally occur as diatomic molecules? (Hint there are 7)

Answer 1

Hydrogen, Oxygen, Nitrogen, Fluorine, Chlorine, Bromine, and Iodine.
(H2, O2, N2, F2, Cl2, Br2, and I2)

Question 2

What transition metals have a fixed charge?
What are their charges?
(Hint there are four)

Answer 2

Ag+, Al3+, Cd2+, and Zn2+.

Question 3

What group is 1A?

Answer 3

Alkali Metals

Question 4

What group is 2A?

Answer 4

Alkaline Earth Metals

Question 5

What group is 6A?

Answer 5

Chalcogens (“ore formers”)

Question 6

What group is 7A?

Answer 6

Halogens

Question 7

What group is 8A?

Answer 7

Noble Gases

Question 8

SI Unit for Mass

Answer 8

Kilogram (kg)

Question 9

SI Unit for Length

Answer 9

Meter (m)

Question 10

SI Unit for time

Answer 10

Second (s or sec)

Question 11

SI Unit for temperature

Answer 11

Kelvin (K)

Question 12

SI Unit for Amount of Substance

Answer 12

Mole (mol)

Question 13

Classification of Matter:
Air

Answer 13

Homogenous mixture

Question 14

Classification of Matter:
Bar of gold

Answer 14

Element (pure substance)

Question 15

Classification of Matter:
Dry Ice

Answer 15

Compound (Pure substance)

Question 16

Classification of Matter:
Orange juice with pulp

Answer 16

Heterogenous mixture

Question 17

Classification of Matter:
Oxygen gas

Answer 17

Element (Pure substance)

Question 18

Name the different phase changes and what they are

Answer 18

Vaporization- Liquid -> Gas
Condensation- Gas -> Liquid
Melting- Solid -> Liquid
Freezing- Liquid -> Solid
Sublimation- Solid -> Gas
Deposition- Gas -> Solid