Multiple choice

Which metal remains in the liquid form under normal conditions?

  1. Zinc

  2. Radium

  3. Mercury

  4. Uranium
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Mercury is the only metal that exists as a liquid at standard temperature and pressure (room temperature). It has a melting point of -38.83°C and a boiling point of 356.73°C. This unique property is due to mercury's weak metallic bonding from its filled 4f subshell and relativistic effects that stabilize the 6s electrons. All other metals listed are solids at room temperature.

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