States of matter

Question 1

Kinetic theory of matter

Answer 1

matter is composed of a large number of small particles that are in constant motion ; deals with the arrangement & movement of particles

Question 2

Solid state

Answer 2

• tightly held together
• arranged in regular patter ( orderly manner )
• particles vibrate, rotate & move about a fixed position
• cannot be compressed
• cannot flow
• fixed shape
• fixed volume

Question 3

Liquid state

Answer 3

• less tightly held together
• arranged in clusters
• particles vibrate, rotate & move from one place to another
• cannot be compressed
• can flow
• no fixed shape
• fixed volume
• take shape of container

Question 4

Gaseous state

Answer 4

• not held together by any force of attraction
• particles can vibrate, rotate & move freely anywhere in container
• can be compressed
• can fill a container
• no fixed shape
• no fixed volume