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a chemical change in which a less reactive element is replaced in a compound by a more reactive one.
a lobe-shaped orbital in which electrons may move. There are 3 p orbitals per energy level from...
the nucleus is divided into fragments of roughly equal size.
(also called dative covalent bond) one atom contributes both electrons (or a lone pair of...
a temporary unstable high energy composition of atoms representing a transition step between the...
one reactant loses electrons and another gains electrons