Parts of an atom

Front

What is the nucleus of an atom?

Back

The nucleus is the central part of an atom, containing protons and neutrons.

Front

What are protons?

Back

Protons are positively charged subatomic particles found in the nucleus of an atom.

Front

What are neutrons?

Back

Neutrons are neutral subatomic particles found in the nucleus of an atom.

Front

What are electrons?

Back

Electrons are negatively charged subatomic particles that orbit the nucleus of an atom.

Front

What is the charge of a proton?

Back

The charge of a proton is +1.

Front

What is the charge of an electron?

Back

The charge of an electron is -1.

Front

What is the charge of a neutron?

Back

Neutrons have no charge; they are neutral.

Front

How many protons does an atom of carbon have?

Back

An atom of carbon has 6 protons.

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.

Front

What is an isotope?

Back

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