states of matter

states of matter

Properties of a Liquid

properties of a gas

The particles in gases can also move around in all directions; they are not fixed. The forces are extremely weak between the particles. They can flow or be poured.

Gases are represented in equations by the state symbol (g).

Multiple Choice

In which of the following are the particles arranged in a regular pattern?

• a gas

• a liquid

• metal at room temperature

• salt solution

Multiple Choice

Some students are asked to describe differences between gases and liquids.

Three of their suggestions are:

1. gas molecules are further apart;

2. gas molecules are smaller;

3. liquid molecules vibrate around fixed positions.

which suggestions are correct

• 1 only

• 2 only

• 3 only

• 1, 2 and 3

Fill in the Blank

solids ______ flow.

Multiple Choice

the diagram shows a cup of coffee

• A

• B

• C

• D

Multiple Choice

• A

• B

• C

• D

Multiple Choice

• A

• B

• C

• D

Multiple Choice

• A

• B

• C

• D

Multiple Choice

In which substance are the particles close together and slowly moving past each other?

• air

• ice

• steam

• water

Multiple Choice

In which substance are the particles furthest apart at room temperature?

• ethanol

• methane

• salt

• sugar

Multiple Choice

At room temperature, in which substance are the particles furthest apart?

• hydrogen

• water

• magnesium

• magnesium oxide