Atomic StructureIsoelectronic Species41Choose the best answerWhich pair is NOT isoelectronic?AMn²⁺ and Fe³⁺BFe²⁺ and Mn²⁺CO²⁻ and F⁻DNa⁺ and Mg²⁺ Like 0 Discuss 0Share
Atomic StructureQuantum Numbers and Electron Capacity42Choose the best answerWhat is the maximum number of electrons in the 3d subshell that can have mₛ = +½?A10B14C5D7 Like 0 Discuss 0Share
Atomic StructureSubatomic Particles43Choose the best answerIn electron-impact mass spectrometry, a molecular ion is commonly formed by bombardment with:AHigh-energy electronsBα-particlesCVisible lightDNeutrons Like 0 Discuss 0Share
Atomic StructureElectronic Configuration44Choose the best answerWhich electronic configuration represents a noble gas?A1s² 2s² 2p⁶ 3s²B1s² 2s² 2p⁶ 3s¹C1s² 2s² 2p⁶D1s² 2s² 2p⁶ 3s² 3p⁶ 4s² Like 0 Discuss 0Share
Atomic StructureIsotopes45Choose the best answerIsotopes are atoms having the same:AAtomic massBMass numberCAtomic numberDNumber of neutrons Like 0 Discuss 0Share