SolidsFactors Affecting Lattice Energy61Choose the best answerThe high lattice energy predicted for BeF₂ in an ionic model is mainly due to:ALarge ionic sizeBHigh charge density of Be²⁺CLow electronegativity of fluorineDAbsence of electrostatic attraction Like 0 Discuss 0Share
SolidsFactors Affecting Lattice Energy62Choose the best answerNaF has a higher lattice energy than KF mainly because:ANa⁺ is larger than K⁺BNa⁺ is smaller than K⁺CF⁻ is larger in NaFDNaF is covalent Like 0 Discuss 0Share
SolidsMetallic Lustre63Choose the best answerThe shiny appearance of a metal is called:AAnisotropyBDuctilityCMetallic lustreDCleavage Like 0 Discuss 0Share
SolidsAllotropes of Sulfur64Choose the best answerAbove approximately 95.5°C, the stable crystalline form of sulfur is:ARhombic sulfurBMonoclinic sulfurCAmorphous sulfurDPlastic sulfur Like 0 Discuss 0Share
SolidsLattice Energy and Solubility65Choose the best answerIf other factors such as hydration energy are comparable, an ionic compound with lower lattice energy generally tends to be:ALess solubleBMore solubleCMore rigid in solutionDCompletely insoluble Like 0 Discuss 0Share