Question

Name two elements that are liquid at room temperature.

Answer 1

1. Elements - A substance which can neither be broken down into simpler substances nor formed from two or simpler substances by any known physical or chemical process.
2. For example, hydrogen is an element because it cannot be split up into two or simpler substances.
3. Other examples are oxygen, iron, copper and gold etc.
4. Elements may be solids, liquids and gases.
5. Mercury is a metal that is liquid at room temperature. It is used in thermometers.
6. Bromine is a non-metal is liquid at room temperature. It is used to disinfect water.

Hence, mercury (metal) and bromine (halogen) are the elements that are liquid at room temperature.