Question

second ionisation potential of second period elements​

Answer 1

The following are the ionization energies for the elements in the second period:

Lithium - 520

Beryllium - 900

Boron - 801

Carbon - 1087

Nitrogen - 1402

Oxygen - 1314

Fluorine - 1681

Neon - 2081

Hence, arranging them according to increasing ionization energy, we get:

Li < B < Be < C < N < O < F < Ne.

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