Question

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Write the factors on which Ionisation Enthalpy depends?

Answer 1

Heya....✋

✨Factors on which Ionisation Enthalpy deoends⤵

⏩Size of the atom: The larger the atomic size, smaller is the value of Ionisation Enthalpy. In a larger atom, the outer electrons are far away from the nucleus and thus force of attraction with which they are attracted by the nucleus is less and hence can be easily removed

⏩Screening effect: Higher the screening effect, the lesser is the value of Ionisation Enthalpy as the screening effect reduces the force of attraction towards nucleus and hence the outer electrons can be easily removed.

⏩Nuclear charge: As the nuclear charge increases among atoms having same number of energy shells, the Ionisation Enthalpy increases because the force of attraction towards nucleus increases.

⏩Half filled and fully filled orbitals: The atoms having half filled and fully filled orbitals are comparatively more stable, hence more energy is required to remove the electron from such atoms. The Ionisation Enthalpy is rather higher than the expected value in case of such an atom.

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