Atoms

Front

An atom with an unequal number of protons and electrons is said to have (a) ___

Back

charge

Front

A particle that moves around the nucleus is a(n)...

Back

Electron

Front

What is the mass number of the atom shown in the Bohr model?

Back

23

Front

The central region of an atom where its neutrons and protons are is its ___

Back

nucleus

Front

If the mass number of this chlorine atom is 36, how many neutrons does it have?

Back

19

Front

What are the three main subatomic particles in 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 atomic number of an element?

Back

The number of protons in the nucleus of an atom.