Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Quantum Numbers51Choose the best answerAccording to Pauli’s exclusion principle, two electrons in the same orbital:AHave identical values of all four quantum numbersBDiffer in their spin quantum numbersCPossess parallel spinsDMust belong to different principal shells Like 1 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Quantum Numbers52Choose the best answerIn helium, the two electrons occupying the 1s orbital differ only in their:APrincipal quantum numberBAzimuthal quantum numberCMagnetic quantum numberDSpin quantum number Like 1 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Quantum Numbers53Choose the best answerIf two orbitals have the same value of n + ℓ, which orbital fills first?AHigher nBLower nCHigher ℓDA greater number of radial nodes Like 1 Discuss 0Share
Atomic StructureQuantum Numbers54Choose the best answerFor the ground-state electron of hydrogen with mₛ = +½, the sum n + ℓ + mℓ + mₛ is:A3/2B3C2D2/3 Like 0 Discuss 0Share
Atomic StructureQuantum Numbers55Choose the best answerWhich set of quantum numbers is impossible?An = 1, ℓ = 0, mℓ = 0, mₛ = +½Bn = 1, ℓ = 1, mℓ = +1, mₛ = +½Cn = 2, ℓ = 1, mℓ = −1, mₛ = +½Dn = 2, ℓ = 0, mℓ = 0, mₛ = −½ Like 0 Discuss 0Share