Question

Gives an example of a metal which:

a)liquid at room temperature

b)can be cut with a knife

c)is the best conductor of heat

d)is a poor conductor of heat

Answer 1

(A)A metal which is a liquid at room temperature - Mercury $\left(Hg\right)$

Mercury is liquid at room temperature.

(B)A metal which can be cut with a knife - Sodium $\left(Na\right)$

Lithium, sodium and potassium are all soft metals that are easily cut with a scalpel or knife.

(C)A metal which is the best conductor of heat - Silver $\left(Ag\right)$

Silver is the best conductor of both heat and electricity among metals.

(D) A metal which is a poor conductor of heat - Bismuth $\left(Bi\right)$

Bismuth is the poor conductor of heat due to less number of free electrons