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a 5-carbon sugar molecule.
there are not enough electrons to contribute to an ordinary covalent bond.
compounds that have different structural formulae but the same molecular formula.
(also called allotropism) the property of some chemical elements to exist in two or more...
the standard hydrogen half-cell to which all other half-cells have been compared when...
Système International dâUnités. Internationally agreed coherent system of units: distance in...