Atomic StructureSubatomic Particles86Choose the best answerIn electron-impact mass spectrometry, a molecular ion is commonly formed by bombardment with:AHigh-energy electronsBα-particlesCVisible lightDNeutrons Like 0 Discuss 0Share
MDCAT Chemistry Past Paper 2023#Atomic Structure#Bohr Model87Choose the best answerThe radius of the first orbit of hydrogen is 0.53 Å. Which orbit has a radius of 4.77 Å? (MDCAT 2023)AFirstBSecondCThirdDFourth Like 0 Discuss 0Share
Atomic StructureElectronic Configuration88Choose the best answerWhich electronic configuration represents a noble gas?A1s² 2s² 2p⁶ 3s²B1s² 2s² 2p⁶ 3s¹C1s² 2s² 2p⁶D1s² 2s² 2p⁶ 3s² 3p⁶ 4s² Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Hydrogen Spectrum89Choose the best answerWhat is the approximate SI value of the Rydberg constant?A1.09678 × 10⁷ m⁻¹B1.09678 × 10⁶ m⁻¹C1.09678 × 10⁵ m⁻¹D1.09678 × 10⁹ m⁻¹ Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Quantum Numbers90Choose the best answerWhat is the maximum number of orbitals in a shell with principal quantum number n?A2n²Bn²C2nDn Like 1 Discuss 0Share