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.

Front

What is the charge of an electron?

Back

Negative.

Front

Where are protons and neutrons located in an atom?

Back

In the nucleus.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What does the atomic mass of an atom represent?

Back

The total number of protons and neutrons in the nucleus.

Front

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

Back

Subtract the atomic number from the atomic mass.

Front

What is an ion?

Back

An atom that has gained or lost electrons, resulting in a charge.

Front

What is the significance of the electron cloud?

Back

It represents the area around the nucleus where electrons are likely to be found.