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temperature at which a substance changes phase from a liquid to a solid at a specific or fixed pressure.
the energy that objects or particles have as a result of their motion.
a law defining the relationship between pressure, volume, temperature and moles of a gas....
a state in which the outer energy level of an atom of any element is completely filled with...
ionisation chamber in which single ionising events can be detected.
a diagram that shows the electrons in the outermost occupied shell of an atom as dots or crosses...