Atomic StructureFormation of Ions86Choose the best answerA positive ion is formed from a neutral atom by:AIncreasing its nuclear chargeBGaining protonsCLosing electronsDLosing protons Like 0 Discuss 0Share
Atomic StructurePauli Exclusion Principle87Choose the best answerWhich principle limits the maximum number of electrons in one orbital to two?AAufbau principleBPauli exclusion principleCHund's ruleDHeisenberg uncertainty principle Like 0 Discuss 0Share
Atomic StructureHund's Rule and Unpaired Electrons88Choose the best answerAccording to Hund's rule, how many unpaired electrons are present in the ground-state phosphorus atom, Z = 15?A1B2C3D5 Like 0 Discuss 0Share
Atomic StructureRutherford's Atomic Model89Choose the best answerRutherford's α-particle scattering experiment provided information about the:ASmall size of the nucleusBExact size of an electronCNumber of neutronsDElectron spin Like 0 Discuss 0Share
Atomic StructurePositive Rays90Choose the best answerThe nature of positive rays produced in a discharge tube mainly depends on the:AMaterial of the cathodeBNature of the residual gasCShape of the discharge tubeDApplied magnetic field only Like 0 Discuss 0Share