Atomic StructureShapes and Orientation of Orbitals196Choose the best answerWhich orbital definitely has directional character?AAny s-orbitalBAny s- or p-orbitalCAny s- or d-orbitalDAny p-orbital Like 0 Discuss 0Share
Atomic StructureElectronic Transitions and Spectrum197Choose the best answerThe wavelength of radiation emitted during an electronic transition is inversely related to:ANumber of electrons undergoing transitionBNuclear charge onlyCEnergy difference between the two levelsDElectron velocity only Like 0 Discuss 0Share
Atomic StructureHeisenberg Uncertainty Principle198Choose the best answerIf the uncertainty in the position of an electron approaches zero, the uncertainty in its momentum approaches:AZeroBA fixed finite valueCOneDInfinity Like 0 Discuss 0Share
Stoichiometry#Atomic Structure#Isotopes199Choose the best answerAston’s mass spectrograph separates isotopes mainly on the basis of their:AAtomic numberBNumber of neutronsCMass-to-charge ratioDChemical properties Like 0 Discuss 0Share
Atomic StructureEnergy of Hydrogen Atom200Choose the best answerFor a hydrogen atom, the maximum possible energy of an electron corresponds to:AThe nucleusBGround stateCFirst excited stateDInfinite separation from the nucleus Like 0 Discuss 0Share