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Classification of Elements and Periodicity in Properties
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26/08/2021 10:42 am
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Which among the following elements has the highest first ionization enthalpy?
(a) Nitrogen
(b) Boron
(c) Carbon
(d) Oxygen
1 Answer
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26/08/2021 10:43 am
Correct answer: (a) Nitrogen
Explanation:
Due to stable 2s2 2p3 configuration (half filled p-orbital). Nitrogen atom has highest energy.