Atomic StructureQuantum Numbers and Electronic Configuration111Choose the best answerThe fourth electron of Be, Z = 4, can have the quantum numbers:An = 1, ℓ = 0, mℓ = 0, mₛ = +½Bn = 2, ℓ = 1, mℓ = 0, mₛ = +½Cn = 2, ℓ = 0, mℓ = 0, mₛ = −½Dn = 1, ℓ = 1, mℓ = +1, mₛ = +½ Like 0 Discuss 0Share
Atomic StructureDiscovery of Canal Rays112Choose the best answerCanal rays, also called anode rays, were discovered by:AChadwickBJ. J. ThomsonCEugen GoldsteinDBohr Like 0 Discuss 0Share
Atomic StructureAufbau Principle and n + ℓ Rule113Choose the best answerAccording to the Aufbau principle, which subshell is filled first?A4dB5pC5sD4d and 5s simultaneously Like 0 Discuss 0Share
Atomic StructureAzimuthal Quantum Number114Choose the best answerThe azimuthal quantum number of the last electron of Na, Z = 11, is:A1B2C3D0 Like 0 Discuss 0Share
Atomic StructureAufbau Principle and Orbital Energy115Choose the best answerThe correct order of increasing orbital energy is:A4s < 4p < 3dB4p < 4s < 3dC4s < 3d < 4pD4p < 3d < 4s Like 0 Discuss 0Share