Which non-metal is a liquid at room temperature

The only nonmetal that is liquid at room temperature is the element Br or Bromine. When we say at room temperature, it means at zero degrees Celsius and at one atmospheric pressure. The metal that is liquid at room temperature is the element Hg or mercury.

explanation: it gains negative electrons, therefore becoming negatively charged. as charge cannot be created, nor destroyed, only transferred, this leaves the wool positive. now that they have opposite charges, the two items attract.