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What are the atomic number and chemical symbol of mercury?

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A periodic table element box for mercury shows its symbol Hg, atomic number 80, atomic weight 200.592, electron configuration, and name. Icons indicate mercury is a transition metal, liquid at room temperature, has a rhombohedral crystal structure, and is weakly basic. — mercury Properties of mercury.

The chemical element mercury has the atomic number 80 and the chemical symbol Hg. The symbol is derived from the Latin word hydrargyrum, which translates to "liquid silver".1