JAMB Chemistry 2021 Paper

Concept: A non-metal that exists as a liquid under normal room conditions.Explanation: Bromine ($\mathrm{Br}$) is a non-metal with atomic number $35$. It is a volatile red-brown liquid at room temperature. Chlorine ($\mathrm{Cl}$) is a gas at room temperature. Phosphorus ($\mathrm{P}$) is a solid at room temperature. Helium ($\mathrm{He}$) is a noble gas at room temperature. Therefore, only bromine fits the description.Answer: C. Bromine