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an alkyl source with a negative charge.
the electrons in the filled, inner energy levels of an atom.
the symbols used to represent an element or compound e.g. H2O for water
this consists of three separate layers of the Earth â the crust, the mantle and the core.
the ratio of the concentration of the products to the concentration of the reactants in a...
the transfer of heat or energy from areas of higher temperatures to areas of lower temperatures...