Week 6 Presentation Part 1 - Atomic Structure

Proton

Neutron

Electron

Quark

Protons are found in the nucleus and have a positive charge.

Neutrons are found in the nucleus and have a negative charge.

Electrons are found in orbitals and have a negative charge.

Neutrons are found in orbitals and have no charge.

A substance made from atoms with the same number of protons.

A substance made from atoms with different numbers of protons.

A substance made from molecules with the same number of electrons.

A substance made from molecules with different numbers of neutrons.

Atomic number is always a whole number.

Atomic number equals the number of protons in an atom.

Different elements can have the same atomic number.

Atomic number is used to identify isotopes.