MATLS 1M03 Study Guide - Final Guide: Microstructure, Thermal Conductivity, Bond Energy
4 Sep 2016
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1. like ions cannot be adjacent: high melting points, hard but brittle, electrically and thermally insulating, covalent bonding, occurs between atoms with small differences in electronegativity, attraction is directional can only occur between electron sharing atoms, properties can vary dramatically, metallic bonding, valence electrons form electron sea that is shared among the metal, attraction is nondirectional, melting points cary, most can be deformed, good electrical and thermal conductivity, dipole bonding, weak bonds caused by charge separation between charged section of atom or molecule, fluctuating dipole caused by temporary movement of electrons, permanent dipole caused by asymmetric charge distribution i.
