Atomic StructureQuantum Numbers31Choose the best answerWhich quantum number determines the shape of an atomic orbital?AAzimuthal quantum numberBPrincipal quantum numberCMagnetic quantum numberDSpin quantum number Like 2 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Electronic Configuration32Choose the best answerAccording to the n + ℓ rule, which orbital is filled first?A3dB4sCBoth are filled simultaneouslyDTheir order cannot be predicted Like 1 Discuss 0Share
Atomic StructureAtomic Number and Mass Number33Choose the best answerIn the standard notation of a nuclide, the mass number and atomic number are written:AMass number at the upper left and atomic number at the lower left of the element symbolBAtomic number at the upper left and mass number at the lower leftCBoth numbers on the right side of the element symbolDBoth numbers as superscripts Like 0 Discuss 0Share
Atomic StructureBohr's Atomic Model and Its Limitations34Choose the best answerWhich statement is NOT a part of Bohr's model?AElectron energies are quantizedBThe innermost orbit has the lowest energyCElectrons move in allowed stationary orbitsDExact position and momentum cannot be known simultaneously Like 0 Discuss 0Share
Atomic StructureLimitations of Bohr's Atomic Model35Choose the best answerBohr's model cannot successfully explain:AHydrogen line spectrumBSpectrum of He⁺CSpectrum of Li²⁺DFine structure of spectral lines Like 0 Discuss 0Share