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a very small, negatively charged particle that moves around the nucleus of an atom.
the relationship between volume and temperature for a fixed amount of a gas at constant pressure...
molecule where the ratio of atoms is 1 : 3. So the bond angle is 1200, for example BF3
if one reactant is available in excess, the other reactant will be the limiting reagent, because...
the stratosphere extends from a height of 10 km to 50 km above the surface of the Earth.