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(also called allotropism) the property of some chemical elements to exist in two or more different structural forms of the same element, for example diamonds and graphite are allotropes of carbon.
a temporary unstable high energy composition of atoms representing a transition step between the...
an area or region where there is a high probability (95% chance) of finding electrons. Each...
during a reaction a molecule reacts with water to form ions (to separate into ions).