Write chemical formulas for the following minerals: (a) calcite, (b) dolomite, (c) fluorite, (d) halite, (e) corundum, (f) magnetite, (g) beryl, (h) galena, (i) epsomite, (j) anhydrite.
Lecture Saturday,January30,2016 7:08PM 1/6 Inorderforamoleculetobepolar: • Polarbonds • Dipolemomentdoesnotcancelout § ChecktheLewisStructureforthis Thestructureoficemakesitlessdensethanwater - Morespacebetweenmolecules Intermolecularforcesareeasiertobreakthanintramolecularforces. Isotropic:propertiesthesameinalldirections SurfaceTension: layerofmoleculesonsurfacebehavedifferentlythaninteriorbecauseofcohesivenessonsurface whichhasanetpullontheliquid. - Ifaliquidbeadsonasurface,andtheliquidispolar,thesurfacemust-polar. ○ Surfacepolaritycausesattractionofpolarliquidcausingtheliquidtospreadevenly. Viscosity: resistanceofliquidtoflow. -
