Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Bohr Model1Choose the best answerCalculate the radius of the fourth Bohr orbit in a hydrogen atom.A2.11 ÅB4.23 ÅC8.46 ÅD16.92 Å Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Bohr Model2Choose the best answerAn electron falls from E₂ to the lower level E₁. What is the energy of the emitted photon?AE₁ − E₂BE₂ − E₁CE₁ + E₂DE₂/E₁ Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Bohr Model3Choose the best answerWhich scientist proposed the 1913 atomic model based on Planck’s quantum theory?AJ.J. ThomsonBErnest RutherfordCNiels BohrDJames Chadwick Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Bohr Model4Choose the best answerFor which species does Bohr’s atomic model fail to explain the spectrum?AH and He⁺BLi²⁺ and Be³⁺CMulti-electron atomsDAll one-electron species Like 0 Discuss 0Share1
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Bohr Model5Choose the best answerAccording to Bohr’s model, what happens to an electron while it remains in an allowed stationary orbit?AContinuously radiates energyBGradually loses energyCNeither absorbs nor emits energyDFalls into the nucleus Like 0 Discuss 0Share