proton - positively charged sub-atomic particle, electron - virtually no mass at all and negatively charged, neutron - no charge, atom - make up everything, element - found on the periodic table, periodic table - table of elements, molecules - two or more atoms covalently bonded together, compounds - two or more elements bonded together, properties - melting point, boiling point, conductivity, solubility, atomic number - the number of protons present in an atom, atomic mass - the total mass of protons + neutrons, electron shell - energy levels that contain tiny negatively charged particles,

Atoms, elements and compounds

Leaderboard

Visual style

Options

Switch template

Continue editing: ?