Chapter 1- States of matter.

Question 1

What is the process of a liquid turning into a solid called?

Answer 1

Freezing

Question 2

What is the process of a Solid turning into a liquid called?

Answer 2

Melting

Question 3

What is the process of a liquid turning into a gas?

Answer 3

Evaporation

Question 4

What is the process of a gas turning into a liquid

Answer 4

Condensation

Question 5

What is the process of a solid turning into a Gas

Answer 5

Desublimation

Question 6

What is the process of a Gas turning into a solid

Answer 6

Sublimation

Question 7

Describe the movement of the particles in a Liquid.

Answer 7

Particles can slide off of each other, moving randomly

Question 8

Describe the movement of the particles in a Gas.

Answer 8

Particles are moving rapidly and randomly

Question 9

Describe the movement of the particles in a Solid.

Answer 9

Particles are fixed together and vibrate

Question 10

What is a pure substance?

Answer 10

A single Chemical element or compound that melts and boils at definite precise temps

Question 11

Define atom

Answer 11

The smaller particles of an element that can take part in a chemical reaction

Question 12

Define molecule

Answer 12

A group of atoms held together by covalent bonds

Question 13

Define ions

Answer 13

an atom or group of atoms that has an electric charge