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| 1. |
Why are the electron affinities of alkaline earth metals nearly zero? |
| Answer» Solution :Alkaline earth metals have stable `ns^2` configuration & are reluctant to ACCEPT electrons. Thus, their ELECTRON affinity values are nearly zero. These are metallic by nature and highly electropositive also, that is, they as it is have a poor TENDENCY to accept electrons. The negative ANIONS of group-2 metals are not known. | |