Chemical BondingBond Formation and Stability31Choose the best answerWhen atoms form a stable compound, their energy is generally:AHigher than that of the separated atomsBEqual to that of separated atomsCLower than that of separated atomsDAlways zero Like 0 Discuss 0Share
Chemical BondingElectronegativity Difference and Bond Type32Choose the best answerTwo elements have electronegativity values of 1.2 and 3.0. The bond between them is most likely:AIonicBCovalentCCoordinate covalentDMetallic Like 0 Discuss 0Share
Chemical BondingElectronegativity and Bond Type33Choose the best answerIn the simplified electronegativity-difference scale, ΔEN ≈ 1.7 represents:AA completely non-polar bondBA 100% ionic bondCA 100% covalent bondDThe approximate boundary between polar covalent and ionic character Like 0 Discuss 0Share
Chemical BondingBond Angle and Lone-Pair Repulsion34Choose the best answerThe H–O–H bond angle in water is approximately:A90°B109.5°C180°D104.5° Like 0 Discuss 0Share
Chemical BondingLewis Acids and Bases35Choose the best answerWhich species has no tendency to donate a lone pair to H⁺?ANH₃BH₂OCBF₃DCH₃OH Like 0 Discuss 0Share