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a way of indicating the valencies in the names of the compound. Stock notation uses Roman...
chemical calculations that involve amounts of different chemicals.
the area of chemistry that deals with the relative quantities of reactants and products in...
the stratosphere extends from a height of 10 km to 50 km above the surface of the Earth.
an acid that ionises completely, e.g. HCl, HNO3 and H2SO4
the force that holds particles in the nucleus together.
shows the geometry of the molecule, all the atoms in the molecule and the bonds between all the...