CHEM 1300 Lecture Notes - Lecture 25: Cubic Crystal System, Trigonal Planar Molecular Geometry, Polonium

• School: University of Manitoba
• Department: Chemistry
• Course: CHEM 1300
• Professor: Elena Smirnova

Document Summary

Review: what is the dominant intermolecular force for propionic acid, hydrogen bonding, arrange the following in order of increasing vapour pressure at room temperature. 1) (cid:1007)(cid:1841)(cid:1007), 2) (cid:1006)(cid:1006)(cid:1841)(cid:1006)(cid:1007) , 3) (cid:1007)(cid:4666)(cid:1841)(cid:4667)(cid:1007), 4) (cid:1007)(cid:1006)(cid:1841: the strongest intermolecular force between n+and propane ((cid:1007)(cid:1007)) is the, 4 < 3 < 2 < 1, ion-induced dipole force. The electrons are in bands: ionic solids, has cations and anions attracted to each other by electrostatic forces. Unlike molecular solids, network solids have high melting points. They are held together by covalent bonds which are much harder to break than intermolecular forces. Bonding patterns determine the properties of the solid. Usually durable compounds (rock of gibraltar, rubies, sapphires, etc) Network solids of carbon linked to others through covalent bonds, this array makes diamonds very strong and. Diamond three dimensional array of bonds with each tetrahedral (s(cid:1007)) carbon.