Question

The set representing the correct order of first ionization potential is

Answer 1

The ionization energy in the priodic table trend shows increasing or increasing orders.

As left to right ionization energy increases.

While going down the group the ionization energy decreases.

So first set of priodic table :

B>>Mg>>Ca

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Answer 2

Answer:

The set representing the correct order of first ionization potential is Be > Mg > Ca