using-the-periodic-table-determine-the-electron-configuration-of-the-copper-ion-

Question

Using the periodic table, determine the electron configuration of the copper ion in this complex ion:[Cu(CN)_{5}]^{3−}

Accepted Answer

$$Cu^{2+}$$: [Ar]$$3d^{9}$$

Answer

$$Cu^{0}$$: [Ar]$$4s^{1}$3d^{10}$$

Answer

$$Cu^{+}$$: [Ar]$$3d^{10}$$

Answer

$$Cu^{3+}$$: [Ar]$$3d^{8}$$

Using the periodic table, determine the electron configuration of the copper ion in this complex ion:[Cu(CN)5]3−