Chemistry, 24.12.2021 02:30, ayoismeisjjjjuan

The chemical formula for an emerald is Be3Al2(SiO3)6. An emerald can be described as a pure substance because it is a compound. a pure substance because it is an element. an impure substance because it is chemically combined. an impure substance because it is a mixture.

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The chemical formula for an emerald is Be3Al2(SiO3)6. An emerald can be described as a pure substanc...