Protons, Neutrons, and Electrons

Front

What are protons?

Back

Protons are positively charged particles found in the nucleus of an atom. They determine the atomic number of an element.

Front

What are neutrons?

Back

Neutrons are neutral particles found in the nucleus of an atom. They contribute to the atomic mass but do not affect the charge of the atom.

Front

What are electrons?

Back

Electrons are negatively charged particles that orbit the nucleus of an atom. They are involved in chemical bonding and reactions.

Front

How many protons does an atom of Calcium have?

Back

20

Front

How many electrons does an atom of Potassium (K) have?

Back

19

Front

What is the atomic mass of Sodium?

Back

Approximately 40.08 (rounded to 40)