Building blocks of all matter
A substance made up of only one kind of atom
A grouping of two or more atoms joined together.
A charged atom (positive or negative) from losing or gaining electrons
Particle of an atom found in the nucleus. This has a positive charge.
Particle of an atom found in the energy levels. These have negative charges.
Particle of an atom found in the nucleus. These do NOT have a charge
To become stable and non-reactive
Model A: Atom
Model B: Atom
Model C: Atom
Proton
Neutron
Nucleus
Electron
Energy Levels
Elements
Model B: Molecules
Ions
Anion: negative ion
Cation: positive ion
Model C: Molecule
