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Get Answers to all your Questions
10.30 Which of the alkali metal is having least melting point ? (a) Na (b) K (c) Rb (d) Cs
Answers (1)
The strength of metallic bond decreases down the group in the periodic table because as the size of cation increases the binding energies of their atoms in the crystal lattice decreases.
order of melting point
So, ans is (a) Na
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