Atoms Quick Check- 8th Grade

Front

What is an atom?

Back

An atom is the smallest unit of matter that retains the properties of an element.

Front

What are the three main subatomic particles?

Back

Protons, neutrons, and electrons.

Front

What charge does a proton carry?

Back

Positive charge.

Front

What charge does an electron carry?

Back

Negative charge.

Front

What charge does a neutron carry?

Back

Neutral charge.

Front

Where are protons located in an atom?

Back

In the nucleus.

Front

Where are electrons located in an atom?

Back

In the electron cloud surrounding the nucleus.

Front

What is the nucleus of an atom?

Back

The center of an atom that contains protons and neutrons.

Front

How does the number of protons affect an element?

Back

The number of protons determines the element's identity.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.