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an atom with a unique atomic number and unique mass number.
single superphosphate fertiliser (SSP) is manufactured by adding sulfuric acid to phosphate...
the phase in matter in which the particles are far apart and can move freely.
organisms that use dead organic material as a food source and thus recycles them.
a table providing the standard potential values for half reactions. It is based upon the...
non-rechargeable cells, such as the zinc-carbon torch cell.