Which metal exists in a liquid state at room temperature?

Name two metals which have very low melting points.

Pavan separates some materials into two groups and notes their properties. These properties are given in the table below:

Group $1$	Group $2$
They cannot be beaten into sheets.	They can be beaten into sheets.
When one end is in contact with a hot object,the other end does not get hot quickly.	When one end is in contact with a hot object,the other end gets hot quickly.
They cannot be drawn into thin wires.	They can be drawn into thin wires.

Which of the following statements cannot be false?

Which of the following non-metals exists in a solid state at room temperature?

List three properties of sodium in which it differs from the general physical properties of most metals.

Which of the following metals is a poor conductor of heat and electricity?