Atoms and Elements

Front

True or False: Atoms are big.

Back

False

Front

Chemists use letters of the alphabet as __________ for the elements.

Back

symbols

Front

A _________ is a particle with no charge.

Back

neutron

Front

Neutral particles have a NO charge: True or False?

Back

True

Front

An element is determined by the number of _______ in its nucleus (also known as the atomic number).

Back

protons

Front

What is the smallest unit of matter?

Back

Atom

Front

What are the three main subatomic particles?

Back

Protons, Neutrons, Electrons

Front

What charge do protons have?

Back

Positive charge

Front

What charge do electrons have?

Back

Negative charge

Front

What is the center of an atom called?

Back

Nucleus