Question

why mercury is liquid in room temperature
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Answer 1

Mercury is the only metal that is a liquid at normal temperatures and pressure. ... Basically, it's because mercury is bad at sharing—electrons, that is. Most metal atoms readily share valence electrons with other atoms. The electrons in a mercury atom are bound more tightly than usual to the nucleus.

Answer 2

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Mercury is the only metal that is a liquid at normal temperatures and pressure. ... Basically, it's because mercury is bad at sharing—electrons, that is. Most metal atoms readily share valence electrons with other atoms. The electrons in a mercury atom are bound more tightly than usual to the nucleus.