Elements, Compounds, Mixtures

Front

Material that has mass and takes up some amount of space.

Back

Matter

Front

The smallest unit of matter.

Back

atom

Front

The center of the atom. Has protons + neutrons.

Back

nucleus

Front

Has a positive charge. Found in the nucleus.

Back

proton

Front

Has no charge ( neutral ). Found in the nucleus.

Back

neutron

Front

Has a negative charge. Found OUTSIDE of the nucleus.

Back

electron

Front

A pure substance that is made from a single type of atom. The building blocks for all the rest of the matter in the world. Examples include iron, oxygen, hydrogen, gold, and helium.

Back

element

Front

Particle that makes up an atom. There are 3: Protons, neutrons, and electrons.

Back

subatomic particle

Front

This tells you the size of an atom. Add together protons and neutrons.

Back

atomic mass

Front

A combination of many different elements, physically combined.

Back

mixture