Chemistry Term 1

Question 1

solid

Answer 1

• have a fixed shape and volume
• stay in the same place
• cannot be compressed
• vibrate on spot

Question 2

liquid

Answer 2

• fixed volume but no fixed shape
• particles can move around eailsy (over each other)
• cannot be compressed
  -still are touching

Question 3

gas

Answer 3

• have no fixed shape and volume
• can flow
  -move quickly in all directions (straight lines only)
  an be compressed

Question 4

What is the process called when a Solid turns into a liquid?

Answer 4

Melting

Question 5

What is the process called when a liquid turns in a gas?

Answer 5

Evaporating

Question 6

What is the process called when a gas turns into a liquid

Answer 6

Condensing

Question 7

What is the process called when a liquid turns into a solid

Answer 7

Solidifying

Question 8

element

Answer 8

a substance that cannot be created or broken down any further

Question 9

compound

Answer 9

substance with two or more elements that are chemically boned together

Question 10

mixture

Answer 10

a substance with two or more elements that are chemically boned together

Question 11

how do you more out he rf valve in chromatography

Answer 11

rf = distance travelled by substance(ink) / distance travelled by solvent(water)