Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Isotopes176Choose the best answerWhich industrial quantity can be measured using radioactive isotopes?AThe age of fossils onlyBThe density of metal sheets and thickness of plastic filmsCThe atomic mass of metalsDThe melting points of solids Like 0 Discuss 0Share
Atomic StructureIsobars177Choose the best answerWhich of the following is an isobaric pair?A¹³₆C and ¹³₇NB¹³₆C and ¹⁴₇NC¹⁴₇N and ¹⁵₈OD¹³₇N and ¹⁵₈O Like 0 Discuss 0Share
Atomic StructureHund's Rule and Electronic Configuration178Choose the best answerWhich ground-state electronic configuration represents nitrogen, Z = 7?A1s² 2s² 2pₓ² 2pᵧ¹B1s² 2s² 2pₓ¹ 2pᵧ¹ 2pz¹C1s² 2s¹ 2pₓ² 2pᵧ¹ 2pz¹D1s² 2s² 2pₓ³ Like 0 Discuss 0Share
Stoichiometry Stoichiometry MCQS#Atomic Structure#Isotopes179Choose the best answerWhich statement correctly links atomic mass in amu with isotopes?Aamu ignores isotopes.Bamu depends on only one isotope of each element.CAtomic mass in amu reflects the weighted contribution of all naturally occurring isotopes.Damu is calculated using only neutrons. Like 0 Discuss 0Share
Atomic StructureFormation of Ions180Choose the best answerA positive ion is formed from a neutral atom by:AIncreasing its nuclear chargeBGaining protonsCLosing electronsDLosing protons Like 0 Discuss 0Share