Trigonal Pyramidal. Ions. Atoms tend to react to form noble gas configuration. ... Trigonal Bipyramidal. 6. 90 Octagonal. Actual shape. ElectronPairs ...
... to be as far away from one another as possible while remaining in the molecule. Lone pair electrons will spread out more than bonding pair electrons ...
Bond energy and the enthalpy (H) can be calculated. Using Bond Energies. We can find change in enthalpy, DH, for a reaction. It takes energy to break bonds, ...