Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Quantum Numbers241Choose the best answerCalculate the approximate wave number for the hydrogen transition n = 4 → n = 2.A1.09 × 10⁶ m⁻¹B2.06 × 10⁶ m⁻¹C8.46 × 10⁶ m⁻¹D3.28 × 10⁶ m⁻¹ Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Quantum Numbers242Choose the best answerWhich letters represent the shells with n = 1, 2, 3 and 4, respectively?As, p, d and fBα, β, γ and δCK, L, M and NDx, y, z and w Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Orbitals#Atomic Structure243Choose the best answerWhat is the characteristic shape of a p-orbital?ASphericalBDumbbellCDouble dumbbellDTetrahedral Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Orbitals#Atomic Structure244Choose the best answerWhat is the shape of an s orbital?ADumb-bellBSphericalCDouble dumb-bellDTetrahedral Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Hund's Rule245Choose the best answerWhy are singly occupied degenerate orbitals relatively stable?AMinimize interelectronic repulsion and provide exchange-energy stabilizationBIncrease electron-electron repulsionCPossess higher intrinsic energyDEliminate nuclear attraction Like 1 Discuss 0Share