Question

Give an example of a metal which 

(i) is a liquid at room temperature. 

(ii) can be easily cut with a knife. 

(iii) is the best conductor of heat. 

(iv) is a poor conductor of heat.

Answer 1

(i) Metal that exists in liquid state at room temperature → Mercury 

(ii) Metal that can be easily cut with a knife → Sodium, Potassium 

(iii) Metal that is the best conductor of heat → Silver, Gold 

(iv) Metals that are poor conductors of heat → Mercury and lead