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- Engineering
- Which one of the noble gas does not have the electronic configuration of Option: 1 Ar
- #Chemistry
- #Engineering
- #VIT Engineering Entrance Exam
- #Classification of Elements and Periodic table
- #Amrita Engineering Entrance Examination
- #Class 11
Which one of the noble gas does not have the electronic configuration of
Option: 1
Ar
Option: 2
Kr
Option: 3
Xe
Option: 4
He
Answers (1)
As we have learned
Noble Gas -
Each period ends with a noble gas of outermost electronic configuration ns2 np6 except He.
- wherein
The electronic configuration of He is 1s2
He has fully filled 1s orbital with the electronic configuration
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