Parts of an Atom

Front

What are the three main parts of an atom?

Back

Protons, Neutrons, Electrons

Front

Where is the nucleus located in an atom?

Back

At the center of the atom.

Front

What is the charge of a proton?

Back

Positive.

Front

What is the charge of a neutron?

Back

Neutral.

Front

What is the charge of an electron?

Back

Negative.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

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

Back

Subtract the atomic number from the atomic mass.

Front

What is the electron cloud?

Back

The region around the nucleus where electrons are likely to be found.

Front

What is atomic mass?

Back

The weighted average mass of an atom's isotopes.

Front

What is an isotope?

Back

Atoms of the same element with different numbers of neutrons.