The Atom and Periodic Table Review CHEM

Front

Vertical columns in the periodic table are known as _____________.

Back

groups

Front

Where are metalloids located on the periodic table?

Back

Around the Staircase

Front

Which subatomic particle has the smallest mass?

Back

electrons

Front

Horizontal rows in the periodic table are known as _____________.

Back

periods

Front

What determines the identity of an element?

Back

number of protons

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What are the three main subatomic particles?

Back

Protons, neutrons, and electrons.

Front

What charge do protons carry?

Back

Positive charge.

Front

What charge do electrons carry?

Back

Negative charge.

Front

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

Back

Neutrons have a mass similar to protons, but slightly greater.