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nickel-cadmium chemical cell.
a measure of the amount of substance per unit volume. Unit: mol.dm-3
(also called dative covalent bond) one atom contributes both electrons (or a lone pair of...
a chemical reaction in which a substance reacts to form two or more simpler substances.
a group of elements that are non-reactive, monatomic gases (Group 0, 8 or 18).