2020 · Q98
Identify the correct pair of elements among the following which are liquid at room temperature and standard pressure.
General KnowledgeChemistry
- ABromine and fluorine
- BMercury and rubidium
- CBromine and thallium
- DBromine and mercury
Explanation
At room temperature and standard pressure, bromine (a non-metal) and mercury (a metal) are liquids. Fluorine is a gas, while rubidium and thallium are solids. The correct liquid pair is bromine and mercury.