Atoms, Elements, Molecules, Compounds, Mixtures, & Solutions

Front

What is an atom?

Back

The smallest particle of a substance.

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

What is a compound?

Back

A substance formed when two or more different elements combine chemically.

Front

What is a mixture?

Back

A combination of two or more substances that do not form a new substance.

Front

What is a solution?

Back

A special kind of mixture in which one substance spreads out evenly in another substance.

Front

What charge does an electron have?

Back

Negative.

Front

What is a proton?

Back

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

Front

What is a neutron?

Back

A particle with no charge found in the nucleus of an atom.

Front

What is the nucleus of an atom?

Back

The center part of an atom that contains protons and neutrons.