CBSE Class 9 Answered
What is the electronic configuration of isotopes of chlorine and isobars of calcium and argon?
Asked by Topperlearning User | 16 Mar, 2015, 05:24: PM
Expert Answer
Pair of isotopes: 
and 
and Electronic configuration is 2, 8, 7 because both the atoms have the same atomic number and the same number of electrons as 17.
Pair of isobars: 
and 
Electronic configuration of calcium (Ca) with atomic number 20 is 2, 8, 8, 2. Electronic configuration of argon (Ar) with atomic number 18 is 2, 8, 8.
and Electronic configuration of calcium (Ca) with atomic number 20 is 2, 8, 8, 2. Electronic configuration of argon (Ar) with atomic number 18 is 2, 8, 8.
Answered by | 16 Mar, 2015, 07:24: PM
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