Which of the following does not contain same number of electrons in its outer shell…

CHEMISTRY · Single correct · CBSE · Chemistry · d- and f-Block Elements · d- and f-Block Elements

Problem

Which of the following does not contain same number of electrons in its outer shell as Pd has in its outer shell? (1)

Ag^+

(2)

Cd^{2+}

(3) Cu ²⁺ (4) Cu ⁺