Final Part 3

Front

What is the charge of a proton?

Back

Positive

Front

Which particles reside inside the nucleus of an atom?

Back

Proton and Neutron

Front

Which subatomic particle determines the atomic number of an element?

Back

Proton

Front

Which particle has the least mass?

Back

Electron

Front

Are the protons of carbon bigger than the protons of hydrogen?

Back

False

Front

What is the charge of an electron?

Back

Negative

Front

What is the mass of a neutron compared to a proton?

Back

Approximately equal

Front

What is the role of neutrons in the nucleus?

Back

They provide stability to the nucleus.

Front

What is an atomic number?

Back

The number of protons in the nucleus of an atom.

Front

What is the difference between an atom and a molecule?

Back

An atom is a single unit of an element, while a molecule is a group of atoms bonded together.