Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Bohr Energy61Choose the best answerWhich expression correctly gives the frequency of radiation emitted in a hydrogen-atom transition?Aν = (me⁴/8ε₀²h³)(1/n₁² − 1/n₂²)Bν = (me⁴/8ε₀²h²)(1/n₁² − 1/n₂²)Cν = ε₀n²h²/Zπme²Dν = −Ze²/8πε₀r Like 6 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Electronic Configuration62Choose the best answerWhat is the meaning of the German term “Aufbau”?ABreaking downBBuilding upCEqual-energy distributionDWave propagation Like 1 Discuss 0Share
Atomic StructureMagnetic Quantum Number63Choose the best answerIf ℓ = 3, the possible values of mℓ are:A+1, 0, −1B+2, +1, 0, −1, −2C−3, −2, −1, 0, +1, +2, +3D+1, −1 Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Electronic Configuration64Choose the best answerChoose the ground-state electronic configuration of Cl⁻ (Z = 17).A1s² 2s² 2p⁶ 3s² 3p⁵B1s² 2s² 2p⁶ 3s² 3p⁶C1s² 2s² 2p⁶D1s² 2s² 2p⁶ 3s² 3p⁴ Like 2 Discuss 0Share
Atomic StructureIsoelectronic Species65Choose the best answerWhich set consists of isoelectronic species?ACO, CN⁻, NO⁺, C₂²⁻BCO⁻, CN, NO, C₂⁻CCO⁺, CN⁺, NO⁻, C₂DCO, CN, NO, C₂ Like 0 Discuss 0Share