Periodic Table and Atoms Review

Front

What is the charge of an electron?

Back

Electrons are negative.

Front

What particles are found in the nucleus of an atom?

Back

Protons and neutrons.

Front

How is the charge of an atom determined?

Back

By the number of protons and electrons.

Front

Where is most of the mass of an atom located?

Back

In the nucleus.

Front

How many protons are in an atom of Potassium?

Back

19.

Front

What is an atom?

Back

The basic unit of a chemical element.

Front

What are protons?

Back

Positively charged subatomic particles found in the nucleus.

Front

What are neutrons?

Back

Neutral subatomic particles found in the nucleus.

Front

What is the electron cloud?

Back

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

Front

What is the atomic number?

Back

The number of protons in the nucleus of an atom.