Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Hydrogen Spectrum306Choose the best answerInto how many main spectral series is the hydrogen emission spectrum commonly classified?AThree spectral seriesBFour spectral seriesCFive spectral seriesDSeven spectral series Like 1 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Flame Colors307Choose the best answerWhich compounds produce a deep red colour in fireworks?ACopper compoundsBBarium compoundsCStrontium compoundsDPotassium compounds Like 4 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Hydrogen Spectrum308Choose the best answerIn the Balmer series, all electronic transitions end at:An = 1Bn = 2Cn = 3Dn = 4 Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Canal Rays309Choose the best answerWho discovered positive rays using a discharge tube with a perforated cathode?AJ.J. ThomsonBEugen GoldsteinCErnest RutherfordDJames Chadwick Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Discovery of Proton310Choose the best answerWho introduced the term “proton” for the positively charged nuclear particle?AEugen GoldsteinBJ.J. ThomsonCErnest RutherfordDRobert Millikan Like 0 Discuss 0Share