C1 - Atoms and Ions

Front

What charge does an atom have when it GAINS electrons?

Back

Negative

Front

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

Back

Neutrons

Front

What is the mass number of an atom if it has 23 total particles (protons + neutrons)?

Back

23

Front

What are the particles that orbit around the nucleus of an atom called?

Back

Electrons

Front

If an atom has 12 protons, how many electrons must it have to be neutral?

Back

12 electrons

Front

What is the charge of a proton?

Back

Positive

Front

What is the charge of an electron?

Back

Negative

Front

What is the nucleus of an atom made of?

Back

Protons and neutrons

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

How do you determine the number of neutrons in an atom?

Back

Mass number - Atomic number