Atoms, Elements, Molecules, & Compounds

Front

What is an atom?

Back

The smallest unit of an element, consisting of protons, neutrons, and electrons.

Front

What is an element?

Back

A pure substance made of only one type of atom, represented on the periodic table.

Front

What is a molecule?

Back

A group of two or more atoms bonded together, which can be of the same or different elements.

Front

What is a compound?

Back

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

Front

What are protons?

Back

Positively charged particles found in the nucleus of an atom.

Front

What are neutrons?

Back

Neutral particles found in the nucleus of an atom, with no charge.

Front

What are electrons?

Back

Negatively charged particles that orbit the nucleus of an atom.

Front

What is the nucleus of an atom?

Back

The central part of an atom, containing protons and neutrons.

Front

What is an electron cloud?

Back

The region around the nucleus where electrons are likely to be found.

Front

How many protons does a carbon atom have?

Back

6 protons.