3 years ago

I NEED HELP PLEASE! :)

1 answer:

8 0

Answer:

An Atomic Number is the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.

A Mass number is the total number of protons and neutrons in a nucleus.

An Atomic Mass is the mass of a single atom of a chemical element. It includes the masses of the 3 subatomic particles that make up an atom: protons, neutrons and electrons.

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