Wills,+Terry

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Mercury, Hg

Boiling point 674.11 F melting point -37.89 F specifif gravity density 13.5336 grams per cubic centimeter number of protons neutrons electrons 80,80,121 atomic mass 200.59 atomic number 80 Electron configuration and orbital notation:4f14 5d10 6s2: 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10

valence electrons 2

how when and who discovered unknown, 2000 bc, found in egyptian tombs