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 conduct of heat.
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 conduct of heat.
$(i)$ Metal that exists in liquid state at room temperature $\to $ Mercury
$(ii)$ Metal that can be easily cut with a knife $\to $ Sodium
$(iii)$ Metal that is the best conductor of heat $\to $ Silver
$(iv)$ Metals that are poor conductors of heat $\to $ Mercury and lead
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