Atomic StructureAzimuthal Quantum Number31Choose the best answerThe azimuthal quantum number of the last electron of Na, Z = 11, is:A1B2C3D0 Like 0 Discuss 0Share
Atomic StructureQuantum Numbers32Choose the best answerWhich set of quantum numbers is NOT allowed?An = 1, ℓ = 1, mℓ = +1, mₛ = +½Bn = 1, ℓ = 0, mℓ = 0, mₛ = +½Cn = 1, ℓ = 0, mℓ = 0, mₛ = −½Dn = 2, ℓ = 0, mℓ = 0, mₛ = +½ Like 0 Discuss 0Share
Atomic StructureDegenerate Orbitals33Choose the best answerIn the absence of an external electric or magnetic field, which pair of orbitals is degenerate?A2s and 3sB3dxy and 3dxzC3s and 3pD3p and 4p Like 0 Discuss 0Share
Atomic StructureHund's Rule34Choose the best answerWhich statement describes Hund's rule rather than Pauli's exclusion principle?AAn orbital can contain a maximum of two electronsBPaired electrons in one orbital have opposite spinsCDegenerate orbitals are singly occupied before pairingDNo two electrons have identical sets of four quantum numbers Like 0 Discuss 0Share
Atomic StructureMagnetic Quantum Number35Choose the best answerFor electrons in the shell n = 2, what distinct values of mℓ are possible?A1 valueB2 valuesC3 valuesD4 values Like 0 Discuss 0Share