the electrons in the filled, inner energy levels of an atom.
a molecule that is so big that we can see it, e.g. diamond.
the mass of any substance relative to the amount of the substance; the mass of one mole of any...
a property that, if changed, can change the chemical nature of a substance and how it reacts....
adding aqueous HCl to a saturated solution of sodium ions and chloride ions to cause the...
heating metal in the presence of carbon.