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an ion that has both a positive and a negative charge on the same group of atoms.
the transfer of energy through a material.
the sum of the relative atomic masses of the elements that make up the molecule.
spherical orbital that may contain a maximum of 2 electrons. Found in every energy level
a molecule containing anything from thousands to hundreds of millions of atoms per molecule, a...
the distance between the centres (nuclei) of atoms joined in a bond.