Atoms and Elements

Front

What are the tiny particles that make up all matter?

Back

Atoms

Front

What are the three main components of an atom?

Back

Protons, Neutrons, Electrons

Front

True or False: Protons have a positive charge.

Back

True

Front

What determines the element of an atom?

Back

The number of protons.

Front

What is a particle with no charge called?

Back

Neutron

Front

What is the center of an atom called?

Back

Nucleus

Front

What is the charge of an electron?

Back

Negative charge

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the difference between an atom and an element?

Back

An atom is the smallest unit of matter, while an element is a pure substance made of only one type of atom.

Front

What is a molecule?

Back

A group of two or more atoms bonded together.