Atoms, Molecules, and Compounds

Front

What is an atom?

Back

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

Front

What are the three main subatomic particles?

Back

Protons, neutrons, and electrons.

Front

What is a proton?

Back

A positively charged particle found in the nucleus of an atom.

Front

What is a neutron?

Back

A neutral particle found in the nucleus of an atom.

Front

What is an electron?

Back

A negatively charged particle that orbits the nucleus of an atom.

Front

What is a molecule?

Back

A group of two or more atoms bonded together.

Front

What is a compound?

Back

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

Front

What is a chemical formula?

Back

A way to represent a chemical substance using symbols for its constituent elements.

Front

What is a chemical symbol?

Back

A one or two-letter notation used to represent an element.

Front

Where are protons located?

Back

In the nucleus of an atom.