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a temporary unstable high energy composition of atoms representing a transition step between the reactants and products in a chemical reaction.
single superphosphate fertiliser (SSP) is manufactured by adding sulfuric acid to phosphate...
a crystal lattice of positive kernels in a sea of delocalised electrons to which they are...
a substance that can lose a proton in an acid-base reaction.
the electrons in the filled, inner energy levels of an atom.