Keywords: transition metals, corrosion, rusting iron, metals.

Keywords: test for hydrogen, metal ions, calculating concentration, insoluble salts.

Keywords: reactivity of metals, redox, calculating mass, extracting metals, electrolysis, phytoextraction.

Keywords: atom economy, percentage yield.

Keywords: distillation, water treatment, changes of state.

Keywords: electrolysis, electrolyte, electrolysis of copper sulfate, half equation..

Keywords: calculating volume, calculating mass, dynamic equilibium, yield.

Keywords: balancing equations, covalent bonding, giant covalent structures, fullerenes.

Keywords: metals, reactivity, calculating mass, calculating volume, balancing equations, pH.

Keywords: titrations, titration calculations, calculating concentrations.