Question

Why do group one metals have negative electron gain enthalpy?

Answer 1

Answer:

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Explanation:

It's more likely that a sodium atom will lose an electron, and become a cation, but the electron affinity reflects the modest gain in stability as 3s2 after attaching an extra electron. After taking one electron ns2 orbital is fulfilled and become stable. So Alkali metals has negative electron gain enthalpy.

Answer 2

Answer:

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