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प्रश्न
The melting and boiling points for Zn, Cd, and Hg are low. Why?
अति संक्षिप्त उत्तर
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उत्तर
All the electrons in the d-subshell are paired. Hence, the metallic bonds present in Zn, Cd and Hg are weak. Therefore, they have low melting and boiling points.
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