chemistry- subatomic particles

Front

Particles in an atom that are neutral and have no charge are

Back

Neutrons

Front

What is the mass number of an element?

Back

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

Front

Which subatomic particle determines the type of element the atom represents?

Back

Proton

Front

Where is most of an atom's mass found?

Back

In the nucleus.

Front

What is an isotope?

Back

An isotope is a variant of a particular chemical element which has the same number of protons but a different number of neutrons.

Front

What are the three main types of subatomic particles?

Back

Protons, neutrons, and electrons.

Front

What charge do protons carry?

Back

Protons carry a positive charge.

Front

What charge do electrons carry?

Back

Electrons carry a negative charge.

Front

What is the role of neutrons in an atom?

Back

Neutrons help to stabilize the nucleus and contribute to the mass of the atom.

Front

How do you calculate the mass number of an atom?

Back

Mass number = Number of protons + Number of neutrons.