CHEM 1A03 Study Guide - Final Guide: Lattice Energy, Coordinate Covalent Bond, Ionic Bonding

• School: McMaster University
• Department: Chemistry
• Course: CHEM 1A03
• Professor: David J.H.Emslie

Document Summary

Distinguish ionic form covalent bonding and determine bond polarity, Draw resonance structures and calculate average formal charge and average bond order. Between metal and non-metal involves transfer of electrons from one atom to other. We measure the strength of an ionic bond using lattice enthalpy. Lattice enthalpy the energy released when we take a number of moles of ions in the gas phase and combine them into one mole of a salt, in the solid state. We use this enthalpy when we talk about born-fajans- haber cycle (enthalpy and. Electrons are shared, atoms share because are both trying got complete their octets. In lewis structures showing covalent bonds, we cease to keep track of which element provides a certain number of electrons because no way to distinguish from which atom a particular electron came. Covalent bonds are shown by two dots between the atoms two electrons being shared between atoms, the two dots can be replaced with a line.