SolidsCleavage of Crystals51Choose the best answerThe tendency of a crystal to split along definite planes and produce smooth surfaces is called:AAnisotropyBCleavageCIsomorphismDPolymorphism Like 0 Discuss 0Share
SolidsHexagonal Crystal System52Choose the best answerIn the hexagonal crystal system:Aa = b = c and all angles are 90°Ba = b ≠ c and γ = 120°Ca ≠ b ≠ c and all angles are 90°DAll axes and all angles are unequal Like 0 Discuss 0Share
SolidsCrystal Lattice Parameters53Choose the best answerThe interaxial angles of a crystal system are represented by:Aa, b, cBx, y, zCα, β, γDr⁺, r⁻ Like 0 Discuss 0Share
SolidsStructure of Ice54Choose the best answerThe ordinary crystalline structure of ice is mainly:ATrigonalBHexagonalCPentagonalDRhombic Like 0 Discuss 0Share
SolidsStructure and Conductivity of Graphite55Choose the best answerGraphite conducts electricity mainly because it contains:AStrong ionic bondsBDelocalized electronsCMobile ionsDHydrogen bonds Like 0 Discuss 0Share