Question

At room temperature which metal becomes liquid?

Answer 1

Mercury is the answer

extra information

Liquid metal consists of alloys with very low melting points which form a eutectic that is liquid at room temperature. The standard metal used to be mercury, but gallium-based alloys, which are lower both in their vapor pressure at room temperature and toxicity, are being used as a replacement in various applications.

Answer 2

Mercury becomes liquid in room temperature, also its a metal . It is the only metal which becomes liquid.