Fundamental Principles of Organic ChemistryChirality of Lactic Acid1161Choose the best answerLactic acid contains:ANo chiral carbonBOne chiral carbonCTwo chiral carbonsDThree chiral carbons Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Quantum Numbers1162Choose the best answerIn helium, the two electrons occupying the 1s orbital differ only in their:APrincipal quantum numberBAzimuthal quantum numberCMagnetic quantum numberDSpin quantum number Like 1 Discuss 0Share
Stoichiometry 11#Avogadro's Number1163Choose the best answerIf one mole were defined as 6.022 × 10²⁰ particles instead of 6.022 × 10²³ particles, which quantity would change?AThe definition of mass in gramsBThe mass of one mole of carbonCThe stoichiometric ratio in a balanced equationDThe ratio of elements in a compound Like 0 Discuss 0Share
UHS MDCAT 2024 Chemistry#Mole Concept#Stoichiometry1164Choose the best answerNumber of moles in an element is directly proportional to:AMass of an elementBEmpirical formula massCMolar mass of an elementDFormula mass Like 0 Discuss 0Share
Atomic StructureIsotopes1165Choose the best answerArtificial disintegration of nuclei is commonly used to produce:ARadioactive isotopesBOnly stable isotopesCOnly naturally occurring isotopesDNo new nuclides Like 1 Discuss 0Share