Front

What are the electrons that are on the outermost region of the atom called?

Back

Valence Electrons

Front

What is the name of the positively charged particle found in the nucleus of the atom?

Back

Proton

Front

What makes up most of the mass in an atom?

Back

Protons and Neutrons

Front

What are the negative charge particles that float around the outside of the atom called?

Back

Electrons

Front

What are the different energy levels of electrons as they orbit the nucleus called?

Back

Orbitals (Energy Levels)

Front

What is the center of the atom called?

Back

Nucleus

Front

What is the charge of a neutron?

Back

Neutral (no charge)

Front

What is the smallest unit of an element that retains its properties?

Back

Atom

Front

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

Back

Electron Cloud

Front

What is the maximum number of electrons that can occupy the first energy level?

Back

2 electrons