Chemical BondingFormation of Ionic Bond741Choose the best answerAn ionic compound A⁺B⁻ is most likely to form when:AA has high ionization energy and B has low electron affinityBA has low ionization energy and B has high electron affinityCBoth A and B have high ionization energiesDBoth A and B resist electron transfer Like 0 Discuss 0Share
GasesKinetic Molecular Theory and Gas Pressure742Choose the best answerAccording to the Kinetic Molecular Theory, gas pressure results mainly from:ACollisions between gas molecules onlyBCollisions of gas molecules with the walls of the containerCGravitational attraction between moleculesDRepulsive forces between molecules Like 0 Discuss 0Share
Alkyl HalidesSN1 Reaction743Choose the best answerThe reaction of tert-butyl bromide with methanol proceeds predominantly through:ASN₁BSN₂CE2 onlyDFree-radical substitution Like 0 Discuss 0Share
Atomic StructureAufbau Principle and Hund's Rule744Choose the best answerThe Aufbau principle alone cannot determine:AThe order in which subshells are filledBWhich lower-energy subshell is occupied firstCRelative filling sequence of subshellsDDistribution of electrons among degenerate orbitals Like 0 Discuss 0Share
StoichiometryMole–Mass Stoichiometry745Choose the best answerWhat mass of MgO is produced when 0.5 mol Mg burns in excess O₂? 2Mg + O₂ → 2MgOA40 gB30 gC10 gD20 g Like 0 Discuss 0Share