2: Particle Nature

Question 1

Define matter

Answer 1

Any substance that has a mass and takes up space by having a volume - made up of tiny particles called atoms

Question 2

What are the 3 states of matter?

Answer 2

Solid
Liquid
Gas

Question 3

What is mass?

Answer 3

The amount of matter in something

Question 4

What 4 points explain the particle nature?

Answer 4

1. All matter is made up of tiny particles
2. The particles in matter are always moving
3. The particles have spaces between them
4. Adding heat to matter makes the particles move faster

Question 5

There are 3 types of particles that make up matter. Name and explain each.

Answer 5

Atoms: smallest part of matter (an element)
Molecules: 2/more atoms that are bonded together
Ions: Charged particles +/-

Question 6

All particles exert forces of a_____ and r______ on each other. which means they have k_____ energy.

Answer 6

Attraction
Repulsion
Kinetic

Question 7

Define solid

Answer 7

• Cannot move through space
• Particles are fixed
• Particles can only vibrate in position
• High density

Question 8

Define liquid

Answer 8

• Particles are close, but can flow over each other
• Take up shape and volume of container
• Cannot be compressed
• Fairly high density

Question 9

Define gas

Answer 9

• Particles are far apart
• Take up shape and volume of container
• No fixed shape
• Can be compressed

Question 10

What happens when one adds heat to a substance?

Answer 10

The particles in the substance move faster and the spaces between them increases.