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