Atomic StructureDegenerate Orbitals and Zeeman Effect21Choose the best answerWhen an external magnetic field is applied, previously degenerate orbitals may become:AMore degenerateBNon-degenerateCSmaller in numberDIdentical in orientation Like 0 Discuss 0Share
Atomic StructureElectronic Configuration and Shell Distribution22Choose the best answerSodium and potassium have the same number of electrons in the:AL-shellBOutermost shell numberCM-shellDValence shell principal quantum number Like 0 Discuss 0Share
Atomic StructureHund's Rule and Electronic Configuration23Choose the best answerWhich ground-state electronic configuration represents nitrogen, Z = 7?A1s² 2s² 2pₓ² 2pᵧ¹B1s² 2s² 2pₓ¹ 2pᵧ¹ 2pz¹C1s² 2s¹ 2pₓ² 2pᵧ¹ 2pz¹D1s² 2s² 2pₓ³ Like 0 Discuss 0Share
Atomic StructureNumber of Orbitals in a Shell24Choose the best answerThe total number of orbitals in a shell with principal quantum number n is:A2nB2n²Cn²Dn + 1 Like 0 Discuss 0Share
Atomic StructureAufbau Principle25Choose the best answerThe sequence in which electrons fill subshells of increasing energy is explained by:AHund's ruleBOctet ruleCAufbau principleDHeisenberg uncertainty principle Like 0 Discuss 0Share