Weegy: Two elements are liquid at room temperature (298 K):
Bromine (Br), an reddish brown liquid with
a suffocating odor, melts at 265.9 K.
Mercury (Hg), a toxic metal, [ melts at 234.32 K.
(See Why is mercury a liquid at STP?)
Four elements melt just a few degrees above room temperature.
Francium (Fr), a radioactive and extremely reactive metal, melts around 300 K. The false color image at left shows 10,000 francium atoms in a laser ... (More)