Atomic StructureElectronic Configuration of Ions151Choose the best answerWhat is the correct ground-state electronic configuration of Fe³⁺, Z = 26?A[Ar] 3d⁵B[Ar] 3d³ 4s²C[Ar] 3d⁶ 4s²D[Ar] 3d⁵ 4s¹ Like 0 Discuss 0Share
Atomic StructureIsobars152Choose the best answerWhich one of the following pairs represents isobars?A³₂He and ⁴₂HeB²⁴₁₂Mg and ²⁵₁₂MgC⁴⁰₁₉K and ⁴⁰₂₀CaD³⁹₁₉K and ⁴⁰₁₉K Like 0 Discuss 0Share
Atomic StructureIsoelectronic Species153Choose the best answerWhich pair is NOT isoelectronic?AMn²⁺ and Fe³⁺BFe²⁺ and Mn²⁺CO²⁻ and F⁻DNa⁺ and Mg²⁺ Like 0 Discuss 0Share
Atomic StructureElectronic Configuration of Ions154Choose the best answerThe stable electronic configuration of K⁺ is the same as:ANeBArCKrDXe Like 0 Discuss 0Share
Atomic StructureElectronic Configuration155Choose the best answerIn the ground-state electronic configuration of Zn (Z = 30), how many electron pairs are present in the 3d subshell?A2B3C5D10 Like 0 Discuss 0Share