Atomic StructureIsoelectronic Species146Choose the best answerWhich set consists of isoelectronic species?ACO, CN⁻, NO⁺, C₂²⁻BCO⁻, CN, NO, C₂⁻CCO⁺, CN⁺, NO⁻, C₂DCO, CN, NO, C₂ Like 0 Discuss 0Share
Atomic StructureHund's Rule147Choose the best answerWhich arrangement of two electrons in three degenerate p-orbitals obeys Hund's rule?Apₓ² pᵧ⁰ pz⁰Bpₓ¹(↑) pᵧ¹(↓) pz⁰Cpₓ¹(↑) pᵧ¹(↑) pz⁰Dpₓ² pᵧ¹ pz⁰ Like 0 Discuss 0Share
Atomic StructureHeisenberg Uncertainty Principle148Choose the best answerIn Heisenberg's uncertainty relation: Δx × Δp ≥ h/4π Δp represents:AUncertainty in energyBUncertainty in velocityCUncertainty in momentumDUncertainty in mass Like 0 Discuss 0Share
Atomic StructureIsotopes149Choose the best answerWhich quantity is the same for all isotopes of a given element?ANumber of protonsBNumber of neutronsCTotal number of nucleonsDMass number Like 0 Discuss 0Share
Atomic StructureBohr Radius150Choose the best answerThe radius of the first Bohr orbit of hydrogen is 0.53 Å. What is the radius of its third Bohr orbit?A0.79 ÅB1.59 ÅC3.18 ÅD4.77 Å Like 0 Discuss 0Share