Which of the alkali metals has the least melt | vedclass

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(D) Atomic size increases as we move down the alkali metal group. As a result,the binding energies of their atoms in the crystal lattice decrease.Also

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$Cs$

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(D) Atomic size increases as we move down the alkali metal group. As a result,the binding energies of their atoms in the crystal lattice decrease.Also,the strength of metallic bonds decreases on moving down a group in the periodic table. This causes a decrease in the melting point.Among the alkali metals,$Cs$ $(Cesium)$ has the largest atomic size and the weakest metallic bonding,resulting in the least melting point.

Which of the alkali metals has the least melting point?

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