Atomic StructureEnergy of Hydrogen Atom61Choose the best answerThe negative electronic energy of a hydrogen atom indicates that:AThe electron has maximum energy at n = ∞BA bound electron has greater energy than a free electronCA bound electron has lower energy than a free electron at rest at infinityDElectronic energy decreases as the electron moves away from the nucleus Like 0 Discuss 0Share
Atomic StructureAufbau Principle62Choose the best answerAfter the 3d subshell becomes completely filled during the Aufbau sequence, the next electron enters:A4pB4fC4sD4d Like 0 Discuss 0Share
Atomic StructureQuantum Numbers63Choose the best answerWhich set of quantum numbers is NOT allowed?An = 1, ℓ = 2, mℓ = 0, mₛ = +½Bn = 3, ℓ = 2, mℓ = +1, mₛ = +½Cn = 3, ℓ = 0, mℓ = 0, mₛ = −½Dn = 3, ℓ = 2, mℓ = +2, mₛ = +½ Like 0 Discuss 0Share
Atomic StructureShapes of d-Orbitals64Choose the best answerWhich of the following d-orbitals differs in shape from the other four?AdxyBdx²−y²CdyzDdz² Like 0 Discuss 0Share
Atomic StructureAufbau Principle65Choose the best answerWhich orbital is filled last among the following according to the Aufbau order?A4sB2sC3dD3p Like 0 Discuss 0Share