Question

Explain the factors affecting ionization enthalpy.​

Answer 1

Size of the positive nuclear charge. As the nuclear charge increases, its attraction for the outermost electron increases and more energy is required to remove an electron. ... Size of atom (distance of outermost electron from the nucleus) ... Screening (shielding) effect of inner shell electrons.

Answer 2

Answer:

Size of the atom: The larger the atomic size, smaller is the value of ionisation enthalpy. ... (iii) 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.

Explanation:

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