Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Hund's Rule286Choose the best answerWho proposed Hund’s rule of maximum multiplicity?AWolfgang PauliBFriedrich HundCMax PlanckDErwin Schrödinger Like 1 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Neutron287Choose the best answerHow many neutrons are present in ⁶⁵₃₀Zn?A30B35C65D95 Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Rydberg Constant288Choose the best answerWhat is the approximate value of the Rydberg constant in cm⁻¹?A109678 cm⁻¹B1.09678 × 10⁷ cm⁻¹C2.18 × 10⁻¹⁸ cm⁻¹D0.529 cm⁻¹ Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Bohr Model289Choose the best answerWhich expression represents the Rydberg constant?AR = me⁴/8ε₀²h³cBR = me⁴/8ε₀²h²CR = ε₀h²/Zπme²DR = Ze²/4πε₀r Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Bohr Model290Choose the best answerWhich expression gives the radius of the nth orbit in a hydrogen-like species?Ar = ε₀n²h²/Zπme²Br = nh/2πCr = mv²/rDr = Ze²/4πε₀r² Like 0 Discuss 0Share