Multiple choice

Which of the following is a metal?

  1. Nitrogen

  2. Sulphur

  3. Mercury

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

Mercury is the only metal listed among these elements. It is a transition metal that is unique in being liquid at room temperature, which is why it is used in thermometers. Nitrogen and Chlorine are gaseous non-metals, while Sulphur is a solid non-metal.

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