Magnesium metal with the electron configuration [Ne] 3S2 bonds with the nonmetal Fluorine with the electron configuration [He] 2s2 2p5. The correct chemical formula is A) Mg2F B) Mg2F7 C) MgF D) MgF2

specific gravity is the density of a substance divided by the density of water. since (at standard temperature and pressure) water has a density of 1 gram/cm3, and since all of the units cancel, specific gravity is usually very close to the same value as density

so "c" is the answer

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