1. Tardigrade
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  3. Chemistry
  4. Generally, the first ionization energy increases along a period. But there are some exceptions. One which is NOT an exception is

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Q. Generally, the first ionization energy increases along a period. But there are some exceptions. One which is NOT an exception is

KCETKCET 2011Classification of Elements and Periodicity in Properties

Solution:

Correct answer is (b) $N$ and $O$