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dissolve the metallic gold particles from the ore.
the SI unit of amount of substance. 1 mole contains the same number of particles as there are in...
a lobe-shaped orbital in which electrons may move. There are 3 p orbitals per energy level from...
molecule where the ratio of atoms is 1 : 5, for example PCl5
a new species or substance that exists after a chemical reaction has occurred. This excludes un-...