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used to describe a substance with basic properties.
this consists of three separate layers of the Earth â the crust, the mantle and the core.
the mass of any substance relative to the amount of the substance; the mass of one mole of any...
nomenclature (naming system) for organic compounds and homologous series.
a measure of the number of bonds formed by an atom of a given element.
a group of organic compounds having a triple bond between two carbons.