SolidsMetallic Properties51Choose the best answerThe ability of a metal to be drawn into wires is called:AMalleabilityBDuctilityCLustreDConductivity Like 0 Discuss 0Share
SolidsStructure of Graphite52Choose the best answerAdjacent layers of carbon atoms in graphite are held together mainly by:AVan der Waals forcesBFree electronsCDouble bondsDIonic bonds Like 0 Discuss 0Share
SolidsCrystal Lattice53Choose the best answerA crystal lattice is:AA single repeating moleculeBA three-dimensional regular array of lattice pointsCOne isolated unit cellDA completely disordered arrangement Like 24 Discuss 2Share1
SolidsMolecular Solids54Choose the best answerWhich of the following is a molecular solid?ADiamondBNaClCIceDIron Like 0 Discuss 0Share
SolidsFactors Affecting Lattice Energy55Choose 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