Question

what are the factors of effecting ionisation energy?​

Answer 1

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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❤️

Answer 2

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.

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