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


(i) Mercury is liquid at room temperature.

(ii) Sodium can be easily cut with a knife.


(iii) Silver is the best conductor of heat.


(iv) Lead is a poor conductor of heat.


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