JAMB - Chemistry (2021 - No. 8)
Which of the following is a non-metal that remains liquid at room temperature?
Chlorine
Phosphorus
Bromine
Helium
Magyarázat
Bromine is a chemical element with the symbol Br and atomic number 35. It is the third-lightest halogen and is a volatile red-brown liquid at room temperature that evaporates readily to form a similarly coloured vapour.