Question

ionization energy in detail​

Answer 1

Answer:

Ionization energy is the energy required to remove an electron from a gaseous atom or ion. The first or initial ionization energy or Ei of an atom or molecule is the energy required to remove one mole of electrons from one mole of isolated gaseous atoms or ions.

Answer 2

Answer:

Explanation:

The energy required to remove an electron from the outermost shell of a neutral gaseous atom is called as Ionisation Energy.

Factors Effecting Ionisation energy are:-

1) Atomic Radius

2) Screening Effect

3) Effective Nuclear charge

4)Extra stability

5) Penetration effect on orbitals.

Variation of I. E in periods and groups:-

In periods:-On moving from left to right in a period,value of Ionisation energy increases because effective nuclear charge also increases.

In groups:- On moving from top to bottom in a group,the value of I.E decreases because Atomic radius increases.

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