Atomic Structure

Front

What are the three main subatomic particles of an atom?

Back

Protons, Neutrons, Electrons

Front

What is the charge of a proton?

Back

Positive

Front

What is the charge of a neutron?

Back

Neutral (no charge)

Front

What is the charge of an electron?

Back

Negative

Front

Where are protons located in an atom?

Back

In the nucleus

Front

Where are neutrons 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 atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the mass number of an atom?

Back

The total number of protons and neutrons in the nucleus.

Front

How do you calculate the number of neutrons in an atom?

Back

Mass number - Atomic number = Number of neutrons.