Question

on which factor ionisation energy depends​

Answer 1

Answer:

Nuclear charge and shielding (screening) effect affects ionisation energy. The greater the number of protons, the stronger the nuclear charge. This results in greater attraction for the valence electrons and more energy required to remove them, i.e. higher ionisation energy

(i) nuclear charge; and (ii) shielding by other electrons. Incomplete

Answer 2

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The Ionisation energy depends upon the size of atom, because with increase in size, the distance between nucleus and valence electrons increases and hence force of attraction between nucleus and valence electron decreases.

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