Subatomic Particles

Front

What are subatomic particles?

Back

Subatomic particles are the particles that make up an atom, including protons, neutrons, and electrons.

Front

What is the mass comparison between protons and neutrons?

Back

Protons and neutrons have equal mass.

Front

Which subatomic particle is found in the nucleus of an atom?

Back

Protons and neutrons are found in the nucleus of an atom.

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 (it is neutral).

Front

What is the charge of an electron?

Back

An electron has a negative charge.

Front

Which subatomic particle is the lightest?

Back

Electrons are the lightest subatomic particles.

Front

What is the center of an atom called?

Back

The center of an atom is called the nucleus.

Front

What role do electrons play in an atom?

Back

Electrons are involved in chemical bonding and determine the atom's reactivity.

Front

How do protons determine the identity of an element?

Back

The number of protons in an atom's nucleus defines the element's atomic number.