The shield effect of electron decreases in the order
Answer»
`f GT d gt p gt s` `s gt p gt d gt f ` `s gt d gt p gt f ` `p gt d gt s gt f `
Solution :We know that, shielding EFFECT of orbitals depends upon shape of orbitals. F-orbitals has diffused shape, HENCE f-orbitals has poor shielding effect. It decreases in th ORDER, `s gt p gtd gt 4f gt 5t.`