Atomic StructureElectronic Configuration of Ions261Choose the best answerThe stable electronic configuration of K⁺ is the same as:ANeBArCKrDXe Like 0 Discuss 0Share
Atomic StructureElectronic Configuration of Ions262Choose 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 Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Bohr Model263Choose the best answerWhat does the negative sign in the electron–nucleus potential-energy expression indicate?AThe nucleus and electron repel each otherBThe electron-nucleus system is bound by attractive forcesCThe electron possesses a positive chargeDPotential energy is independent of distance Like 0 Discuss 0Share
Atomic StructureElectronic Configuration264Choose 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
BasicsStoichiometry #Atom#Atomic Structure265Choose the best answerWhat is the smallest unit of an element that retains its chemical properties?AAtomBMoleculeCCompoundDIon Like 0 Discuss 0Share