Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Bohr Energy116Choose the best answerFor hydrogen, Eₙ = −K/n². What is the value of K?A2.18 × 10⁻¹⁸ J atom⁻¹B8.84 × 10⁻¹² J atom⁻¹C6.626 × 10⁻³⁴ J atom⁻¹D1.602 × 10⁻¹⁹ J atom⁻¹ Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Hund's Rule117Choose 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#Rydberg Constant118Choose 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 Model119Choose 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#Neutron Mass120Choose the best answerWhat is the approximate mass of a neutron in atomic mass units?A1.0073 uB1.0086 uC0.00055 uD1.673 u Like 0 Discuss 0Share