Atoms Elements Molecules

Front

What is an atom?

Back

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

Front

What is an element?

Back

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.

Front

How many atoms are in a molecule of glucose (C6H12O6)?

Back

24 atoms (6 carbon, 12 hydrogen, 6 oxygen).

Front

What subatomic particle has a positive charge?

Back

Proton.

Front

What subatomic particle has no charge?

Back

Neutron.

Front

What subatomic particle has a negative charge?

Back

Electron.

Front

Where are elements found?

Back

On the Periodic Table.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is a compound?

Back

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