SolidsProperties of Metallic Solids86Choose the best answerA characteristic property of many metallic crystals is that they are:ABrittle and non-conductingBDuctile and good conductorsCAlways soft and insulatingDComposed of neutral molecules Like 0 Discuss 0Share
SolidsLattice Energy87Choose the best answerEnergy is released when:AAn ionic solid is completely meltedBGaseous atoms are producedCGaseous ions combine to form an ionic crystalDAn ionic lattice is completely separated Like 0 Discuss 0Share
SolidsSublimation88Choose the best answerThe direct conversion of a solid into vapour is called:AMeltingBDepositionCCondensationDSublimation Like 0 Discuss 0Share
SolidsIonic Solids89Choose the best answerNaCl is classified as a:ACovalent solidBIonic solidCMolecular solidDMetallic solid Like 0 Discuss 0Share
SolidsElectrical Conductivity of Ionic Solids90Choose the best answerIonic solids do not conduct electricity in the solid state mainly because:AThey contain no ionsBTheir ions are fixed in the crystal latticeCThey have high densityDThey are always insoluble Like 0 Discuss 0Share