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variation in a repetitive way as you move through the periodic table vertically or horizontally.
an ion that does not take part in the reaction but is present in the reaction mixture throughout...
the symbols used to represent an element or compound e.g. H2O for water
a group of metallic elements that have two electrons in their outer shells and react easily with...
the amount of products that are formed in a chemical reaction when all the reactants react and...
if one variable increases, the other variable decreases at a fixed rate.