Home 80 Hg Mercury back to the periodic table

Atomic number   80
Symbol   Hg
Atomic weight   200.59
Density [g/cm3]   13.55
Melting point [°C]   -38.9
Boiling point [°C]   356.6
1st Ionization energy [eV]   10.437
Electronic configuration   [Xe] 4f14 5d10  6s2
Oxidation number (most stable)   2, 1
Atomic radius [pm]   160
Ionic radius [pm]   102 (2+)
Abundance in crustal rocks [ppm]   0.08
Origin of the name   (greek/lat.) hydragyrum = liquid silver, named after the planet Mercury
Discovery   known since ancient times
Uses   in UV mercury vapor lamps, in dental alloys with silver (amalgam).

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© 2004 Büro für angewandte Mineralogie · Dr. Stephan Rudolph · D-47918 Tönisvorst
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