SolidsProperties of Ionic Solids76Choose the best answerWhich statement is incorrect for ionic crystals?AThey generally have high melting pointsBThey behave as electrolytes when molten or dissolvedCThey can show isomorphismDTheir ionic bonding is directional Like 0 Discuss 0Share
SolidsIonic Solids77Choose the best answerWhich type of crystalline solid conducts electricity when molten or dissolved in water but not in the solid state?ACovalent crystalBMetallic crystalCMolecular crystalDIonic crystal Like 0 Discuss 0Share
SolidsCrystalline Solids and Melting Point78Choose the best answerCrystalline solids generally have a sharp melting point because they possess:AIsotropic behaviourBA uniform long-range ordered structureCNo definite arrangementDA soft structure Like 0 Discuss 0Share
SolidsCovalent-Network Solids79Choose the best answerDiamond is a:AHydrogen-bonded solidBIonic solidCCovalent-network solidDAmorphous solid Like 0 Discuss 0Share
SolidsAllotropes of Carbon80Choose the best answerDiamond and graphite are:AIsomorphsBAllotropes of carbonCDifferent compounds of carbonDAmorphous solids Like 0 Discuss 0Share