Atomic StructureHund's Rule26Choose the best answerThe ground-state arrangement that maximizes total electron spin in degenerate orbitals is governed by:AHeisenberg uncertainty principleBHund's ruleCAufbau principleDPauli exclusion principle Like 0 Discuss 0Share
Atomic StructureQuantum Numbers27Choose the best answerWhich set of quantum numbers is NOT allowed?An = 1, ℓ = 0, mℓ = 0, mₛ = +½Bn = 1, ℓ = 1, mℓ = 0, mₛ = −½Cn = 2, ℓ = 1, mℓ = +1, mₛ = +½Dn = 2, ℓ = 1, mℓ = 0, mₛ = −½ Like 0 Discuss 0Share
Atomic StructureValence Electrons28Choose the best answerAn atom has the electronic configuration: 1s² 2s² 2p⁶ 3s² 3p² How many valence electrons does it contain?A6B2C3D4 Like 0 Discuss 0Share
Atomic StructureShells, Subshells and Orbitals29Choose the best answerHow many orbitals are present in the shell with n = 2?A2B3C4D9 Like 0 Discuss 0Share
Atomic StructureMagnetic Quantum Number30Choose the best answerFor a given value of ℓ, the number of possible values of mℓ is:Aℓ + 2B2ℓ + 2C2ℓ + 1Dℓ + 1 Like 0 Discuss 0Share