Periodic Table of the Elements: Mercury

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Periodic Table of the Elements: Mercury
Atomic Number:80
Atomic Symbol:Hg
 Mercurymercury
or quicksilver
[from the Roman god Mercury], metallic chemical element; symbol Hg [Lat. hydrargyrum=liquid silver]; at. no. 80; at. wt. 200.59; m.p. −38.842&degC;; b.p. 356.58&degC;; sp. gr. 13.55 at 20&degC;; valence +1 or +2.
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Atomic Weight:200.59
Electron Configuration:2 · 8 · 18 32 · 18 · 2