Ions and atoms

Front

What are the three main subatomic particles in an atom?

Back

Protons, Neutrons, Electrons.

Front

What is the charge of a proton?

Back

+1

Front

What is the charge of an electron?

Back

-1

Front

What is the charge of a neutron?

Back

0 (neutral)

Front

What happens to an atom when it gains electrons?

Back

It becomes negatively charged (an anion).

Front

What happens to an atom when it loses electrons?

Back

It becomes positively charged (a cation).

Front

What defines an element?

Back

The number of protons in its nucleus.

Front

What is an ion?

Back

An atom or molecule that has a net electric charge due to the loss or gain of one or more electrons.

Front

What is the difference between an ion and a neutral atom?

Back

An ion has a charge (positive or negative), while a neutral atom has no charge.

Front

How many protons does a carbon atom have?

Back

6 protons.