Atoms, Bonds & Molecules

Front

What is an atom?

Back

The smallest unit of an element that retains the properties of that element.

Front

What are the three main subatomic particles?

Back

Protons, neutrons, and electrons.

Front

What charge does a proton have?

Back

Positive charge.

Front

What charge does a neutron have?

Back

No charge (neutral).

Front

What charge does an electron have?

Back

Negative charge.

Front

What is a molecule?

Back

A group of two or more atoms bonded together.

Front

What is a chemical bond?

Back

The force that holds atoms together in a molecule.

Front

What is an element?

Back

A pure substance made of only one type of atom.

Front

What is a compound?

Back

A substance formed when two or more different elements are chemically bonded.

Front

What happens when an atom loses an electron?

Back

It becomes positively charged.