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a substance that does not allow heat or energy transfer.
a change in which the form of matter is changed, but one substance is not transformed into...
The empirical formula of an ionic compound or a covalent network (macro-molecule) structure. To...
a special type of ion exchange reaction in which either carbonic acid or sulfurous acid is...
(also called dative covalent bond) one atom contributes both electrons (or a lone pair of...