What is the fundamental difference in the electronic configuration between the group 1 and group 2 elements?
[TEXTBOOK QUESTION- 3(1)]

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Solution

The fundamental difference between the electronic configuration of group 1 and group 2 elements is that group 1 elements have 1 valence electron in their atoms whereas group 2 elements have 2 valence electrons in their atoms.

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Similar questions

(a) What is the fundamental difference in the electronic configurations between the group 1 and group 2 elements?

(b) On the basis of electronic configuration, how will you identify :

(i) chemically similar elements?

(ii) the first element of a period?

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