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a molecule that is so big that we can see it, e.g. a diamond, a salt crystal and a piece of metal.
adding aqueous HCl to a saturated solution of sodium ions and chloride ions to cause the...
The empirical formula of an ionic compound or a covalent network (macro-molecule) structure. To...
a new species or substance that exists after a chemical reaction has occurred. This excludes un-...
contains an unpaired electron on a carbon atom bonded to only one other carbon atom.