Chemistry, asked by gsaikia4806, 1 year ago

Why first ionisation enthalpy of si is greater than aluminium?

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Answered by flower161
0
It is harder to remove the electron from Silicon because silicon has 1 more proton than aluminium so has stronger proton charge but the electrons are in 3p level so have the same amount of electron shielding, therefore the charge holding the electron isgreater in silicon so the energy ishigher.
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