Sindh MDCAT 2022 Chemistry#Atomic Structure#Hydrogen Spectrum376Choose the best answerQ.72 The equation V̄ = R(1/2² − 1/n²), where n > 2, is the equation of H spectrum for:APaschen seriesBPfund seriesCBrackett seriesDBalmer series Like 0 Discuss 0Share
Stoichiometry 11#Atom#Atomic Structure377Choose the best answerWhat is the smallest particle of an element that may or may not exist independently?AA moleculeBAn atomCAn ionDAn electron Like 0 Discuss 0Share
SINDH MDCAT 2018 Chemistry#Atomic Structure#X-Rays378Choose the best answerFor the first time in 1911, Henry Moseley used X-rays for the determination of: (Sindh MDCAT 2018)AAtomic numberBAtomic massCMolecular massDEquivalent mass Like 1 Discuss 0Share
UHS MDCAT 2023 ChemistryUHS MDCAT 2023 Past Paper#Atomic Structure#Electronic Configuration379Choose the best answerWhich of the following electronic configuration is correct for ²⁴Cr? (UHS MDCAT 2023)A1s², 2s², 2p⁶, 3s², 3p⁶, 4s¹, 3d⁵B1s², 2s², 2p⁶, 3s², 3p⁶, 4s², 3d⁴C1s², 2s², 2p⁶, 3s², 3p⁶, 3d⁶D1s², 2s², 2p⁶, 3s², 3p⁶, 4f⁶ Like 0 Discuss 0Share
UHS MDCAT 2025 Chemistryuhs mdcat chemistry 2025#Atomic Structure#Electronic Configuration380Choose the best answerNumber of unpaired electrons in Boron in ground state is/are:A1B2C3D4 Like 0 Discuss 0Share