Atomic StructureHund's Rule56Choose the best answerWhich rule states that degenerate orbitals are occupied singly before electron pairing occurs?APauli exclusion principleBHund's ruleCAufbau principleDHeisenberg uncertainty principle Like 0 Discuss 0Share
Atomic StructureProperties of Isotopes57Choose the best answerIsotopes of the same element generally have:ASimilar chemical propertiesBDifferent atomic numbersCIdentical physical propertiesDIdentical mass numbers Like 0 Discuss 0Share
Atomic StructurePauli Exclusion Principle58Choose the best answerTwo electrons occupying the same 1s orbital must differ in their:APrincipal quantum numberBAzimuthal quantum numberCMagnetic quantum numberDSpin quantum number Like 0 Discuss 0Share
Atomic StructureIsotopes59Choose the best answerIsotopes of an element generally have:ASimilar chemical properties but different physical propertiesBSimilar chemical and physical propertiesCSimilar physical properties but different chemical propertiesDDifferent chemical and physical properties Like 0 Discuss 0Share
Atomic StructureQuantum Numbers60Choose the best answerWhich set of quantum numbers is impossible?An = 3, ℓ = 2, mℓ = 0, mₛ = −½Bn = 3, ℓ = 2, mℓ = −2, mₛ = −½Cn = 3, ℓ = 3, mℓ = −3, mₛ = −½Dn = 3, ℓ = 0, mℓ = 0, mₛ = −½ Like 0 Discuss 0Share