Why the sizi of gallium is smaller than aluminium while atomic size increases on going down the group
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The atomic radius of the Ga is less than Al because of poor screening effect. that's why it's smaller than aluminum.
harsh12320:
and it have diffused orbitals
But why d orbital shows poor shielding effect
not only d orbitals but the diffused orbitals show poor shielding effect
But why
you know poor sheilding effect
Yes
what is it
but why they perform poor shielding effect
first tell what is poor shielding effect
Interelectronic repulsion performed by the electrons present in an atom
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