Protons, Neutrons, Electrons

Front

What are the three main subatomic particles found 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 (no charge).

Front

What is the charge of an electron?

Back

Negative.

Front

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

Back

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

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the mass number of an element?

Back

The total number of protons and neutrons in the nucleus.

Front

How many protons and electrons does a neutral atom have?

Back

A neutral atom has an equal number of protons and electrons.

Front

What is the role of protons in determining an element's identity?

Back

The number of protons determines the element's identity and its position on the periodic table.

Front

What is the significance of neutrons in an atom?

Back

Neutrons contribute to the mass of the atom and can affect the stability of the nucleus.