Atoms and Ions

Front

What are the three main subatomic particles of an atom?

Back

Protons, Neutrons, Electrons.

Front

What charge do protons carry?

Back

Positive charge.

Front

What charge do electrons carry?

Back

Negative charge.

Front

What is the charge of neutrons?

Back

Neutrons have no charge (neutral).

Front

Where are protons located in an atom?

Back

In the nucleus.

Front

Where are electrons located in an atom?

Back

In the electron cloud surrounding the nucleus.

Front

What is the mass number of an atom?

Back

The total number of protons and neutrons in the nucleus.

Front

What is an ion?

Back

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

Front

What is the difference between a cation and an anion?

Back

A cation is a positively charged ion, while an anion is a negatively charged ion.

Front

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

Back

Subtract the atomic number (number of protons) from the mass number.