Which of the following metals remain in a liquid form under normal conditions?

Options :
  1. Uranium
  2. Radium
  3. Zinc
  4. Mercury
Answer and Explanation :-

Answer: Option 4


Mercury is the only metal that stays in liquid state at standard conditions for temperature and pressure. The widely accepted theory behind Mercury having this unique characteristic is its weaker structure compared to other metals and low sharing of electrons between atoms.

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