Atomic StructurePauli Exclusion Principle321Choose the best answerThe two electrons in a 1s orbital must differ in:APrincipal quantum numberBAzimuthal quantum numberCMagnetic quantum numberDSpin quantum number Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Hund's Rule322Choose the best answerWho proposed Hund’s rule of maximum multiplicity?AWolfgang PauliBFriedrich HundCMax PlanckDErwin Schrödinger Like 1 Discuss 0Share
Atomic StructureQuantum Numbers and Electronic Configuration323Choose the best answerWhich element first contains an electron with quantum numbers n = 3, ℓ = 0, mℓ = 0, mₛ = −½ in its ground state?AMgBNaCNeDF Like 0 Discuss 0Share
UHS MDCAT 2025 Chemistryuhs mdcat chemistry 2025#Atomic Structure#Quantum Numbers324Choose the best answerShape of orbital is determined by quantum number:AnBlCmDs Like 0 Discuss 0Share
BasicsStoichiometry #Atomic Structure#Isotopes325Choose the best answerAn element X has isotopes ¹²⁵X, ¹²⁶X and ¹³¹X. How do these isotopes differ?AThe isotopes have different numbers of protonsBThe isotopes have different numbers of neutronsCThe isotopes have more electrons and protonsDThe isotopes have the same number of protons and neutrons Like 0 Discuss 0Share