Question
Which of the following has the lowest melting point?(a) $\mathrm{Cs}$(b) $\mathrm{Na}$(c) Li(d) $\mathrm{K}$
Step 1
Alkali metals generally have low melting points compared to other elements. Now, let's consider the trend in melting points within the alkali metals. As we move down the group, the atomic size increases, and the metallic bonding between the atoms becomes weaker. Show more…
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