Periodic TableHard
Question
The number of d-electrons retained in Fe2+ (At.no.of Fe = 26) ion is
Options
A.4
B.5
C.6
D.3
More Periodic Table Questions
The formation of the oxide ion O2-(g) requires first an exothermic and then an endothermic step as shown below O(g) + e-...Which of the following represents the correct order of increasing first ionization enthalpy for Ca, Ba, S, Se and Ar ?...Which of the following ions has electronic configuration [Ar]3d6 ? (At. no : Mn = 25, Fe = 26, Co = 27, Ni = 28)...According to the Periodic Law of elements, the variation in properties of elements is related to their...Which of the following represents the correct order of increasing electron gain enthalpy with negative sign of the eleme...