Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Degenerate Orbitals236Choose the best answerWhat term is used for equal-energy orbitals within the same subshell?ADegenerate orbitalsBHybrid orbitalsCMolecular orbitalsDNon-bonding orbitals Like 2 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Electronic Configuration237Choose the best answerHow are electrons arranged in degenerate orbitals according to Hund’s rule?APairing in one orbital before occupying anotherBOccupying them singly with parallel spins before pairingCOccupying the highest-energy orbital firstDEntering only two of the available orbitals Like 3 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Electronic Configuration238Choose the best answerAccording to the n + ℓ rule, which orbital is filled first?A3dB4sCBoth are filled simultaneouslyDTheir order cannot be predicted Like 1 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Planck Quantum Theory239Choose the best answerWho introduced quantum theory in 1900?AAlbert EinsteinBMax PlanckCNiels BohrDWilhelm Roentgen Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Quantum Numbers240Choose the best answerWhich set of quantum numbers is not allowed?An = 0, ℓ = 0, mℓ = 0, ms = +½Bn = 1, ℓ = 0, mℓ = 0, ms = −½Cn = 2, ℓ = 1, mℓ = 0, ms = +½Dn = 2, ℓ = 0, mℓ = 0, ms = −½ Like 0 Discuss 1Share1