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those properties that can change without changing the chemical nature of a substance.
electrons that have been emitted from the nucleus of an atom of a radioactive element.
molecular covalent compounds that do not conduct electricity in water.
a measure of how much solute can dissolve in a given amount of solvent.
the plastics converter industry uses polymers to manufacture useful everyday objects.
electromagnetic waves, similar to X-rays, but with a much shorter wavelength.