Atoms

Front

What is the central region of an atom where its neutrons and protons are located?

Back

Nucleus

Front

What particle moves around the nucleus of an atom?

Back

Electron

Front

What is the atomic number of an atom?

Back

The number of protons in the nucleus of an atom.

Front

What charge does an atom have when it gains electrons?

Back

Negative

Front

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

Back

12 electrons

Front

What are the three main subatomic particles of an atom?

Back

Protons, Neutrons, Electrons

Front

What is the charge of a proton?

Back

Positive

Front

What is the charge of a neutron?

Back

Neutral

Front

What is the charge of an electron?

Back

Negative

Front

What is the mass of a proton compared to an electron?

Back

Proton is much heavier than an electron.