Atomic Structure Vocab

Front

What has a negative electric charge?

Back

Electron

Front

True or False: The atomic mass is the total number of protons and neutrons.

Back

True

Front

In the periodic table, the larger number represents what?

Back

Atomic Mass

Front

What has a positive electric charge?

Back

Proton

Front

How many numbers does a periodic block have?

Back

2

Front

What is the center of an atom called?

Back

Nucleus

Front

What are the three main subatomic particles?

Back

Protons, Neutrons, Electrons

Front

What is the charge of a neutron?

Back

Neutral (no charge)

Front

What is the atomic number?

Back

The number of protons in an atom.

Front

What is the mass of a proton compared to an electron?

Back

Proton is much heavier than an electron.