Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Bohr Energy1Choose the best answerApproximately how much energy does one mole of ground-state hydrogen atoms have?A−131.28 kJ mol⁻¹B−1312.8 kJ mol⁻¹C−2180.0 kJ mol⁻¹D−96.5 kJ mol⁻¹ Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Bohr Energy2Choose the best answerCalculate the energy of an electron in the L-shell of hydrogen.A−2.18 × 10⁻¹⁸ JB−5.45 × 10⁻¹⁹ JC−1.09 × 10⁻¹⁸ JD−3.28 × 10⁻¹⁹ J Like 0 Discuss 0Share1
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Bohr Energy3Choose the best answerWhich expression correctly gives the frequency of radiation emitted in a hydrogen-atom transition?Aν = (me⁴/8ε₀²h³)(1/n₁² − 1/n₂²)Bν = (me⁴/8ε₀²h²)(1/n₁² − 1/n₂²)Cν = ε₀n²h²/Zπme²Dν = −Ze²/8πε₀r Like 6 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Bohr Energy4Choose 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