Front

Substance

Back

A particular type of matter that has the same properties such as wood, plastic, water, or air.

Front

Particle

Back

A tiny part of matter.

Front

Atom

Back

The smallest part of matter that has all the properties of its element.

Front

Molecule

Back

Two or more atoms connected together.

Front

Nucleus

Back

The center of an atom.

Front

Proton

Back

Positive charged particle in the atom's nucleus.

Front

Neutron

Back

Particle without charge in the atom's nucleus.

Front

Electron

Back

Negative charged particle found in the outer shells of an atom's nucleus.

Front

Periodic Table

Back

A table that organizes all elements on Earth.