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a change in which the form of matter is changed, but one substance is not transformed into another.
the nucleus of the new isotope that is formed as a result of radioactive decay.
a solvent able to dissolve a large number of different chemical compounds. Water is the...
an ion that does not take part in the reaction but is present in the reaction mixture throughout...
(also called allotropism) the property of some chemical elements to exist in two or more...