ATOMS TESTS

Front

What is the charge of a proton?

Back

Positive

Front

Subatomic particles with a negative charge are called?

Back

Electrons

Front

What is the charge of an ion when electrons are added?

Back

Negative

Front

What happens when the number of protons in an atom changes?

Back

It changes into a different element.

Front

What is the charge of an electron?

Back

Negative

Front

What are the three main subatomic particles?

Back

Protons, Neutrons, Electrons.

Front

What is an ion?

Back

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

Front

What is the charge of a neutron?

Back

Neutral.

Front

How do you determine the atomic number of an element?

Back

By counting the number of protons in its nucleus.

Front

What is an isotope?

Back

Atoms of the same element that have different numbers of neutrons.