Which of the following non-metals is a liquid?
(a) Carbon: At room temperature it is in a solid state.
(b) Bromine: is a liquid at room temperature, solidifying at -7.2ºC.
(c) Phosphorus: is a colourless, semitransparent, soft, waxy solid at room temperature.
(d) Sulphur: At room temperature it is a solid
Therefore option (b) is correct