SolidsRadius Ratio and Coordination Number61Choose the best answerThe radius-ratio range for tetrahedral coordination is approximately:A0.732–1.000B0.414–0.732C0.225–0.414D0.155–0.225 Like 0 Discuss 0Share
SolidsStructure and Density of Ice62Choose the best answerIce is less dense than liquid water mainly because ice has:AStrong intermolecular covalent bondsBA closely packed structureCAn open tetrahedral hydrogen-bonded structureDFree electrons Like 0 Discuss 0Share
Sindh MDCAT 2020 Chemistry#Covalent Network Solids#Solids63Choose the best answerWhich of the following is a giant covalent solid rather than a molecular solid?AIodineBSulphurCWhite phosphorusDDiamond Like 1 Discuss 0Share
SolidsCrystal Lattice Parameters64Choose the best answerThe interaxial angles of a crystal system are represented by:Aa, b, cBx, y, zCα, β, γDr⁺, r⁻ Like 0 Discuss 0Share
SolidsCovalent-Network Solids65Choose the best answerWhich of the following is a covalent-network crystal?ASiBNaFCAlDAr Like 0 Discuss 0Share