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any process in which a substance reacts with oxygen to produce a significant rise in temperature, and light is given off (burning process).
a molecule that is so big that we can see it, e.g. a diamond, a salt crystal and a piece of...
the temperature at which a substance changes phase from a liquid to a gas at a specific or fixed...
a property that, if changed, can change the chemical nature of a substance and how it reacts....
a very reactive atom or group of atoms with an unpaired valence electron.