Question

Identify the element(s) that are liquid at room temperature and pressure.

• A. Nitrogen
• B. Mercury
• C. Bromine
• D. Calcium

Answer 1

Answer: (B), (C)

The correct options are
B

Mercury

C

Bromine

Mercury is the only metal that is liquid at room temperature and pressure. Its melting point is $-{38.83}^{\circ }C$. Bromine is the only non-metal that is liquid at room temperature and pressure. Its melting point is $-{7.2}^{\circ }C$.

Liquid nitrogen exists but not at room temperature and pressure. Calcium is solid at the given conditions.