Atoms

Front

What are the three main subatomic particles of an atom?

Back

Protons, neutrons, and electrons.

Front

What is the charge of protons?

Back

Positive.

Front

What is the charge of electrons?

Back

Negative.

Tags

NGSS.MS-PS2-3

Front

What is the charge of neutrons?

Back

Neutral.

Front

Where are protons and neutrons located in an atom?

Back

In the nucleus.

Front

Where are electrons located in an atom?

Back

In the electron cloud.

Front

What is the smallest unit of matter?

Back

An atom.

Tags

NGSS.MS-PS1-1

Front

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

Back

Approximately equal.

Front

What is the role of neutrons in the nucleus?

Back

They help stabilize the nucleus.

Front

What determines the atomic number of an element?

Back

The number of protons in the nucleus.