Basic Atomic Structure

Front

Atom

Back

The smallest unit of an element that still keeps that element’s properties.

Front

Proton

Back

A positively charged particle found in an atom’s nucleus.

Front

Neutron

Back

A particle with no charge that also sits in the nucleus.

Front

Electron

Back

A tiny, negatively charged particle that moves around the nucleus.

Front

Atomic Number

Back

The number of protons in an atom; it identifies the element.