Atomic StructureAufbau Principle11Choose the best answerAccording to the Aufbau principle, the highest-energy orbital is generally filled:AImmediatelyBLastCInitiallyDBefore lower-energy orbitals Like 0 Discuss 0Share
UHS MDCAT 2025 Chemistryuhs mdcat chemistry 2025#Atomic Structure#Quantum Numbers12Choose the best answerWhich set of quantum numbers is not allowed for an electron:An=2, l=1, m=0, s=+½Bn=3, l=0, m=0, s=-½Cn=2, l=2, m=1, s=+½Dn=1, l=0, m=0, s=+½ Like 1 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Monochromatic Radiation13Choose the best answerWhat is radiation consisting of a single wavelength called?APolychromatic radiationBMonochromatic radiationCContinuous radiationDDispersed radiation Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Bohr Model14Choose 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 StructureAzimuthal Quantum Number15Choose the best answerThe quantum number that primarily determines the shape of an orbital is:APrincipal quantum number, nBAzimuthal quantum number, ℓCMagnetic quantum number, mℓDSpin quantum number, mₛ Like 0 Discuss 0Share