Atomic Structure

Front

What is the small, DENSE REGION consisting of protons and neutrons at the CENTER of an atom?

Back

Nucleus

Front

What is the subatomic particle that has a negative charge?

Back

Electron

Front

Which two subatomic particles make up the nucleus of an atom?

Back

Protons and Neutrons

Front

Where are the Electrons found in the structure of an atom?

Back

In spaces around the nucleus

Front

The mass of an atom is

Back

the protons + neutrons

Front

What are the three main types of subatomic particles?

Back

Protons, Neutrons, Electrons

Front

What charge do protons carry?

Back

Positive charge

Front

What is the charge of neutrons?

Back

No charge (neutral)

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom

Front

What is the role of electrons in an atom?

Back

They are involved in chemical bonding and reactions.