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a liquid that floats on the surface of the more dense metal.
reactions in which bonds break to form products with unpaired electrons.
the plastics converter industry uses polymers to manufacture useful everyday objects.
the average mass of all the different isotopes of an element.
the forces between atoms within molecules: covalent, polar covalent, dative covalent, ionic and...
a temporary unstable high energy composition of atoms representing a transition step between the...