Structures of Matter and Its Properties

Front

What happens to the particles of a solid when energy is added?

Back

The particles move faster and break apart, changing to a liquid.

Front

Where are neutrons located in an atom?

Back

In the center of the atom in the nucleus.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

How is volume measured?

Back

In milliliters (ml) or cubic centimeters (cm³).

Front

What does the number of protons in an atom represent?

Back

It represents the atomic number of the element.

Front

What is the state of matter when particles are tightly packed and vibrate in place?

Back

Solid.

Front

What is the state of matter that has a definite volume but takes the shape of its container?

Back

Liquid.

Front

What is the state of matter that has no definite shape or volume?

Back

Gas.

Front

What is the nucleus of an atom made of?

Back

Protons and neutrons.

Front

What is the charge of a neutron?

Back

Neutral (no charge).