examine-the-position-of-element-a-in-the-periodic-tablefor-the-ion-below-determi

Question

Examine the position of element A in the periodic table.For the ion below, determine the electron configuration of the transition $$metal.A^{2+}$$

Accepted Answer

[Ar] $$3d^{7}$$

Answer

[Ar] $$4s^{1}$3d^{8}$$

Answer

[Ar] $$5s^{2}$4d^{2}$$

Answer

[Ar] $$4d^{8}$$

Examine the position of element A in the periodic table.For the ion below, determine the electron configuration of the transition metal.A2+