Which is not similar characteristic(s) about the electronic configuration of Be, Mg, Ca?

All the atoms have a pair of s-electron in their outermost energy level

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All atoms contain a pair of p-electron in their outermost energy level

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All are alkaline earth metals

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All are of second group of the periodic table

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Solution

The correct option is B All atoms contain a pair of p-electron in their outermost energy level

Hence option (B) is the answer.

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Similar questions

Write down the outermost electronic configurations of alkali metals. How will you justify their placement in group 1 of the periodic table?

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