Keywords: atoms, ions, protons, neutrons, electrons, rutherford.

Keywords: giant covalent structures, carbon, graphite, diamond, states of matter.

Keywords: energy profile, bond energies, calculating energy, calculating mass.

Keywords: calculating moles, calculating mass, balancing equations.

Keywords: mixtures, substances, separation, melting points, boiling points, solubility, purity.

Keywords: balancing equations, making salts, zinc nitrate, neutralisation reaction .

Keywords: oxidation, reduction, oxidising agent, calculating mass.

Keywords: electrolysis, copper sulfate, electrodes., cathode, anode

Keywords: ionic compounds, sodium chloride, melting point, boiling point, dot-and-cross diagram, electronic structure.

Keywords: balancing equations.