SolidsFactors Affecting Lattice Energy81Choose the best answerWithin the simplified ionic model, which compound is expected to have the highest lattice energy?ALiFBNaClCBeF₂DAlCl₃ Like 0 Discuss 0Share
SolidsPolymorphism82Choose the best answerCalcite and aragonite are different crystalline forms of CaCO₃. This is an example of:APolymorphismBIsomorphismCAnisotropyDTransition only Like 0 Discuss 0Share
SolidsProperties of Graphite83Choose the best answerGraphite feels soft and greasy mainly because:AIts covalent bonds are weakBIts layers can slide over one anotherCIt contains mobile ionsDIt has a low melting point Like 0 Discuss 0Share
SolidsHydrogen-Bonded Structure of Ice84Choose the best answerThe local arrangement of neighbouring water molecules in ice is approximately:ATetrahedralBTrigonalCLinearDPyramidal Like 0 Discuss 0Share
SolidsDensity of Ice85Choose the best answerIce floats on liquid water because:AIce is heavier than waterBIce has lower density due to its open structureCIce has greater electrical conductivityDIce contains more hydrogen atoms Like 2 Discuss 0Share2