1-1: Physical & Chemical Changes & Properties

Question 1

Examples of physical changes

Answer 1

Melting, boiling, freezing (solidification), condensation, sublimation, deposition, dissolving, crystallization, conduction of electricity

Question 2

Physical Change

Answer 2

A change in matter that does not change the identity of the substance

Question 3

Melting

Answer 3

Solid -> Liquid

Question 4

Boiling

Answer 4

Liquid -> Gas

Question 5

Sublimation

Answer 5

Solid -> Gas

Question 6

Freezing

Answer 6

Liquid -> Solid

Question 7

Deposition

Answer 7

Gas -> Solid

Question 8

Condensation

Answer 8

Gas -> Liquid

Question 9

Chemical Change

Answer 9

A change in matter that does change the identity of the substance.

Question 10

Physical Properties

Answer 10

Property not related to a chemical reaction

Question 11

Examples of physical properties

Answer 11

Mass, density, volume, mp, fp, bp, electronegativity, atomic radius, solubility, magnetic character

Question 12

Chemical Properties

Answer 12

Properties related to a chemical reaction

Question 13

What is rusting?

Answer 13

Fe + O2 -> Fe2O2

Question 14

What is combustion?

Answer 14

C8H18 (gasoline) + O2 -> CO2 + H2O