Mercury is element 80, a transition metal of the d block, in group 12, period 6. Its ground-state configuration is [Xe] 4f14 5d10 6s2, and it usually shows the oxidation states 0, 1, 2.
Mercury has been known since antiquity, so no discovery is credited for it.
Name origin: the New Latin name mercurius, named after the Roman god (Hg from former name hydrargyrum, from Greek hydr-, 'water', and argyros, 'silver').
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