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a temperature scale with zero at absolute zero 0 K = 273 0C.
a reaction that takes place automatically by itself, without requiring extra stimulation.
small electrical cells such as those in watches, pacemakers, hearing aids and calculators.
separate a solute, such as salt, from a solution, such as water.
a state in which the outer energy level of an atom of any element is completely filled with...
the radius of an ion of an atom, from the nucleus to the outermost.