ELD intro to atoms review

Front

What happens when two particles have the same charge?

Back

They repel each other.

Front

What are the three subatomic particles that make up an atom?

Back

Protons, neutrons, and electrons.

Front

What does the nucleus of an atom contain?

Back

Protons and neutrons.

Front

What type of charge does a proton have?

Back

Positive charge.

Front

What is the smallest part of matter?

Back

Atom.

Front

What charge do neutrons have?

Back

Neutrons have no charge (neutral).

Front

What is the charge of an electron?

Back

Negative charge.

Front

Where are protons located in an atom?

Back

In the nucleus.

Front

What is the mass of a neutron compared to a proton?

Back

Neutrons and protons have approximately the same mass.

Front

What is the overall charge of an atom?

Back

Atoms are neutral because they have equal numbers of protons and electrons.