Atoms (Protons, Neutrons, and Electrons)

Front

What is an atom?

Back

An atom is the smallest unit of matter that retains the properties of an element.

Front

What are protons?

Back

Protons are positively charged particles found in the nucleus of an atom.

Front

What is the charge of an electron?

Back

Electrons have a negative charge.

Front

Where are neutrons located in an atom?

Back

Neutrons are located in the nucleus of an atom.

Front

What is the mass of a neutron?

Back

A neutron has a mass of approximately 1 amu.

Front

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

Back

Neutrons = Mass Number - Atomic Number.

Front

What is the atomic number of an element?

Back

The atomic number is the number of protons in the nucleus of an atom.

Front

How many protons does carbon have?

Back

Carbon has 6 protons.

Front

What is the mass of a proton?

Back

A proton has a mass of approximately 1 amu.

Front

How many electrons does a neutral atom have?

Back

A neutral atom has the same number of electrons as protons.