Atomic StructureElectronic Configuration and Shell Distribution166Choose 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 StructureIsotopes167Choose the best answerNuclei of isotopes differ in:ANumber of protonsBNumber of neutronsCNumber of protons and neutrons bothDNone of these Like 0 Discuss 0Share
Atomic StructureIsoelectronic Species168Choose the best answerWhich of the following are isoelectronic species? I. CH₃⁺ II. NH₂⁻ III. NH₄⁺ IV. NH₃AI, II, IIIBII, III, IVCI, II, IVDI and II Like 0 Discuss 0Share
Atomic StructureDiscovery of Neutron169Choose the best answerThe discovery of the neutron was relatively difficult because the neutron:AExists only outside the nucleusBIs highly unstable in every nucleusCHas no electric chargeDCannot move Like 0 Discuss 0Share
Atomic StructureElectronic Configuration of Ions170Choose the best answerWhat is the correct ground-state electronic configuration of Cu⁺?A[Ar] 3d⁸ 4s²B[Ar] 3d⁹ 4s¹C[Ar] 3d¹⁰D[Ar] 3d⁹ Like 0 Discuss 0Share