Protons, Neutrons, & Electrons

Front

What are protons?

Back

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

Front

What are neutrons?

Back

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

Front

What are electrons?

Back

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

Front

What is the atomic number?

Back

The atomic number is the number of protons in the nucleus of an atom, which determines the element's identity.

Front

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

Back

To find the number of neutrons, subtract the atomic number from the mass number (Neutrons = Mass Number - Atomic Number).

Front

What is the mass number?

Back

The mass number is the total number of protons and neutrons in the nucleus of an atom.

Front

What is the symbol for Chlorine?

Back

The symbol for Chlorine is Cl.

Front

What is the symbol for Potassium?

Back

The symbol for Potassium is K.

Front

What is the best mass number for Silver?

Back

The best mass number for Silver is 108.

Front

How many protons are in an atom of Carbon?

Back

An atom of Carbon has 6 protons.