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a white crystalline organic compound used as a fertilizer, in medicine and in resins.
the SI unit of amount of substance. 1 mole contains the same number of particles as there are in...
the use of an electric current to cause chemical change in a liquid.
the use of a catalyst to bring about the cracking of mineral oils that boil at high temperatures...
atoms of the same element that contain equal numbers of protons (same atomic number) but...
electrons that have been emitted from the nucleus of an atom of a radioactive element.