Atoms

Front

What is the basic building block of matter?

Back

Atoms

Front

True or False? Neutrons have a negative charge.

Back

False

Front

Where is most of the mass in an atom concentrated?

Back

In the nucleus.

Front

What are the positive particles of an atom called?

Back

Protons.

Front

What is a subatomic particle?

Back

A particle that makes up an atom (protons, electrons, neutrons).

Front

What is the charge of protons?

Back

Positive.

Front

What is the charge of electrons?

Back

Negative.

Front

What is the nucleus of an atom?

Back

The central part of an atom that contains protons and neutrons.

Front

What are neutrons?

Back

Subatomic particles with no charge found in the nucleus.

Front

What is the electron cloud?

Back

The area around an atom's nucleus where electrons are most likely to be found.