1. Tardigrade
  2. Question
  3. Chemistry
  4. Properties that are directly or indirectly related to the electronic configuration of the elements and show a regular gradation when we move from left to right in a period or form top to bottom in a group are called periodic properties. Some of these properties are ionization energy, electron affinity and electronegativity Increasing order of second ionization energy is

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Q. Properties that are directly or indirectly related to the electronic configuration of the elements and show a regular gradation when we move from left to right in a period or form top to bottom in a group are called periodic properties. Some of these properties are ionization energy, electron affinity and electronegativity
Increasing order of second ionization energy is

Classification of Elements and Periodicity in Properties

Solution:

We must compare the electronic configuration of monopositive ion to compare the second ionization potential. The correct order is
$Be < C < B < N < F < O < Ne$