A Proton

Proton

A subatomic particle with a positive electric charge. About the same mass as neutron.

A Neutron

Neutron

A subatomic particle with no electric charge. About the same mass as proton.

Nucleus Made Up of Protons and Neutrons

Nucleus

Heavy cluster at the centre of an atom made up of protons and neutrons.

Nucleus Made Up of Protons and Neutrons

Nucleus

Heavy cluster at the centre of an atom made up of protons and neutrons.

An Electron

Electron

A subatomic particle with a negative charge found in all atoms. They orbit the nucleus.

An Atom With Orbiting Electrons

Atom

The smallest ingredient in an element. The atomic mass is the mass of a single atom in a chemical element.

An Atom With Orbiting Electrons

Atom

The smallest ingredient in an element. The atomic mass is the mass of a single atom in a chemical element.

Season to Taste

More atoms with the same number of protons (atomic number).

Calcium

Element

A substance that cannot chemically be broken down into simpler ingredients. Made of atoms with the same atomic number.

Calcium

Element

A substance that cannot chemically be broken down into simpler ingredients. Made of atoms with the same atomic number (number of protons).

A Spoon

Stir Together

More elements can be mixed together by forming chemical bonds.

A Carton of Milk

Compound

A combination of two or more different elements. This is the form you will most often encounter. Few elements are found uncombined in nature.