Protons, neutrons, electrons

Front

What is the charge of an atom with 3 protons and 2 electrons?

Back

+1

Front

What particle(s) have a charge?

Back

Protons and electrons

Front

What is the atomic number of silicon?

Back

14

Front

What particle in the atom has no charge and a mass of 1?

Back

Neutrons

Front

An atom of HELIUM has 2 protons. If you add 1 more proton, what happens?

Back

It becomes a different kind of element.

Front

What is the charge of a proton?

Back

+1

Front

What is the charge of an electron?

Back

-1

Front

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

Back

Approximately equal (1 atomic mass unit).

Front

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

Back

Subtract the atomic number from the atomic mass.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus.