Question

ionization energy. explain​

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 of an atom or molecule is the energy required to remove one mole of electrons from one mole of isolated gaseous atoms or ions.

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Answer 2

The ionization energy of an atom is the amount of energy required to remove an electron from the gaseous form of that atom or ion.

1st ionization energy - The energy required to remove the highest energy electron from a neutral gaseous atom.

For Example: Na(g) → Na+(g) + e- I1 = 496 kJ/mol