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# Write the Electronic Configuration of Any One Pair of Isotopes and Isobars. - CBSE Class 9 - Science

ConceptConcept of Isobars

#### Question

Write the electronic configuration of any one pair of isotopes and isobars.

#### Solution

Two isotopes of carbon are ""_6^12C" and """_6^14C

The electronic configuration of ""_6^12C is 2, 4.

The electronic configuration of ""_6^14C is 2, 4.

[Isotopes have the same electronic configuration]

""_20^40Ca" and """_18^40Ar are a pair of isobars

The electronic configuration of ""_20^40Ca  is 2, 8, 8, 2.

The electronic configuration of ""_18^40Ar  is 2, 8, 8.

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#### APPEARS IN

NCERT Solution for Science Textbook for Class 9 (2018 to Current)
Chapter 4: Structure of the Atom
Q: 2 | Page no. 53
Solution Write the Electronic Configuration of Any One Pair of Isotopes and Isobars. Concept: Concept of Isobars.
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