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- #S - Block Elements (Alkali and Alkaline Earth Metals)
Which of the following has 5s2 outermost electronic configuration ?
Option: 1
Ca
Option: 2
Mg
Option: 3
Sr
Option: 4
Ba
Answers (1)
As we learnt ,
Electronoc configuration of strontium -
Therefore, option(3) is correct.
View full answer
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