Atomic StructureElectronic Configuration of Transition Elements21Choose 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 Particles22Choose 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 Valency23Choose 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 Principle24Choose the best answerWhat is the maximum number of electrons that can occupy a single 5p orbital with mℓ = +1?A6B2C14D10 Like 0 Discuss 0Share
Atomic StructureBohr Radius25Choose the best answerThe ratio of radii of the second and first Bohr orbits of hydrogen is:A2 : 1B4 : 1C3 : 1D5 : 1 Like 0 Discuss 0Share