Atomic Structure

Front

What is the center of an atom called?

Back

Nucleus

Front

Which subatomic particle has a positive charge?

Back

Proton

Front

What are the negatively charged subatomic particles in an atom?

Back

Electrons

Front

What subatomic particle has no charge?

Back

Neutron

Front

What is the term for the region around the nucleus where electrons are likely to be found?

Back

Electron Cloud

Front

Which element has no neutrons in its nucleus?

Back

Hydrogen

Front

What is the mass of a proton compared to a neutron?

Back

Approximately equal, but protons are slightly lighter.

Front

What is the charge of a neutron?

Back

Neutral (no charge)

Front

What is the term for the positively charged particles in the nucleus?

Back

Protons

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.