Atomic StructureLimitations of Bohr's Atomic Model21Choose the best answerBohr's model cannot successfully explain:AHydrogen line spectrumBSpectrum of He⁺CSpectrum of Li²⁺DFine structure of spectral lines Like 0 Discuss 0Share
Atomic StructureElectronic Configuration of Transition Elements22Choose the best answerA neutral atom whose configuration first introduces one electron into the 3d subshell has how many electrons in its outermost shell?A9B7C5D2 Like 0 Discuss 0Share
Atomic StructureProperties of Subatomic Particles23Choose the best answerCompared with an electron, a proton generally has:AGreater penetration powerBLower penetration powerCExactly the same penetration powerDInfinite penetration power Like 0 Discuss 0Share
Atomic StructureElectronic Configuration and Valency24Choose the best answerA neutral atom has the configuration: 1s² 2s² 2p⁶ 3s¹ Its usual valency is:A−2B+2C−1D+1 Like 0 Discuss 0Share
Atomic StructurePauli Exclusion Principle25Choose the best answerWhat is the maximum number of electrons that can occupy a single 5p orbital with mℓ = +1?A6B2C14D10 Like 0 Discuss 0Share