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a group of elements between the metals and the non-metals. They are semiconductors and have some metallic and some non-metallic properties.
the species or substance that exists before a chemical reaction has occurred. A substance added...
the sum of the relative atomic masses of the elements that make up the molecule.
a table providing the standard potential values for half reactions. It is based upon the...
redox reactions can be described as two half-reactions (one oxidation, the other reduction).
a reaction in which more energy or heat is released than absorbed when the reaction takes...