Front

What is the atomic number?

Back

The atomic number is the number of protons in the nucleus of an atom, which determines the element's identity.

Front

What are subatomic particles that are neutral in charge?

Back

Neutrons are subatomic particles that have no charge.

Front

What are subatomic particles with a negative charge?

Back

Electrons are subatomic particles that carry a negative charge.

Front

Which two subatomic particles make up the nucleus of an atom?

Back

Protons and Neutrons make up the nucleus of an atom.

Front

What does the number 6 represent in atomic structure?

Back

The number 6 represents the atomic number, which indicates the number of protons in an atom.

Front

What is the mass number of an atom?

Back

The mass number is the total number of protons and neutrons in the nucleus of an atom.

Front

What is an isotope?

Back

Isotopes are variants of a particular chemical element that have the same number of protons but different numbers of neutrons.

Front

What is the charge of a proton?

Back

A proton has a positive charge.

Front

What is the charge of a neutron?

Back

A neutron has no charge (neutral).

Front

What is the charge of an electron?

Back

An electron has a negative charge.