- Physical Sciences
the mass of any substance relative to the amount of the substance; the mass of one mole of any substance, whether it is an atom, a molecule or a compound expressed in grams per mole (g.mol-1)
a new species or substance that exists after a chemical reaction has occurred. This excludes un-...
the energy liberated when an electron is added to an isolated, neutral atom in the gaseous state...
molecular covalent compounds that do not conduct electricity in water.
a group of organic compounds obtained by oxidation of alcohols.