Molecular Arrangement of Matter

Q.

Describe an activity to show that particles of matter have spaces between them.

Q.

What happens when a liquid becomes gas?

1. The particles of liquid do not absorb heat energy and distance between them increases.

2. The particles of liquid absorb heat energy and distance between them decreases.

3. The particles of liquid absorb heat energy and distance between them increases.

4. The particles of solid absorb all the heat energy and there occurs no change in the distance between them.

Q.

Explain giving example that particles of matter has interparticle space between them?

Q.

Solid, Liquid, and Gas are the three _______ states of matter.

1. Physical

2. Chemical

3. Natural

4. Common

Q.

How does a heat form?

Q. How we can prove that particles have space between them with experiment

Q.

We can easily move our hand in the air but we cannot move our hand through a wooden table. Identify the correct reason for the same.

1. Air is lighter than wooden table.

2. Air is heavier than wooden table.

3. Space between particles of air is larger than space between particles of wooden table.

4. Space between particles of air is smaller than space between particles of wooden table.

Q.

Explain the following term

(3). Interparticle space

Q.

The movement of molecules is maximum in _______.

1. lemonade
2. air
3. wood
4. sugar

Q.

1. How will you justify that ice, water, and steam are not different substances but different states of the same substance?
2. Arrange these increasing order of interparticle forces.
3. Which of these stated are regarded as fluids?

Q. Atoms are the smallest indivisible particles.

1. True
2. False

Q. Molecules in __ are most tightly placed together.

1. solid
2. water
3. oil
4. gas