UHS MDCAT 2024 Chemistry#Atomic Structure#Electronic Configuration116Choose the best answerElectronic configuration of chromium is:A[Ar] 3d⁴ 4s²B[Ar] 3d⁵ 4s²C[Ar] 3d⁵ 4s¹D[Ar] 3d⁶ 4s² Like 0 Discuss 0Share
XiMDCAT XI Complete Chemistry Grand Test#Atomic Structure#Quantum Numbers117Choose the best answerWhich set of quantum numbers is not allowed?An = 3, l = 2, m = −2, s = +1/2Bn = 4, l = 0, m = 0, s = −1/2Cn = 3, l = 2, m = −3, s = +1/2Dn = 5, l = 3, m = 0, s = −1/2 Like 0 Discuss 0Share
Atomic structureQuantum numbers118Choose the best answerFor an electron in a d-subshell, the value of the azimuthal quantum number (l) is:A0B1C2D3 Like 1 Discuss 1Share
Atomic StructurePauli Exclusion Principle119Choose the best answerTwo electrons occupying the same 1s orbital must differ in their:APrincipal quantum numberBAzimuthal quantum numberCMagnetic quantum numberDSpin quantum number Like 0 Discuss 0Share
XiMDCAT XI Complete Chemistry Grand Test#Atomic Structure#Quantum Numbers120Choose the best answerFor n = 2, which type of orbital can an electron occupy?AA spherically-shaped orbitalBEither an s or p orbitalCThe orbital closest to the nucleusDA dumb-bell-shaped orbital Like 0 Discuss 0Share