Thermo Chemistry

Thermo Chemistry

Electron Config
1. 1s2, 2s2, 2p6, 3s2
2. Cu, Co, 4s1
3. Lewis Structure
  1. Covalent Bonding
    1. Share outer electrons
  2. Ionic Bonding
    1. Donates outer electrons
    2. Creates stable atoms
  3. Method of drawing
    1. 1: Total the valence electrons
Ionisation Energies
1. Amount of energy to remove 1 electron from 1 atom of a substance
2. Increases across period
3. Decreases down a group
Atomic Radii
1. Increases down a group
2. Decreases across period
3. Need to be covalently bonded
Electronegativity
1. Tendency to attract a pair of electrons
  1. Pure=0
  2. Polar Covalent <70%
  3. Ionic >71%
2. Increase across period
3. Decrease down a group
4. F,O,Cl,N
Hydrogen Bonding
1. Strongest
2. When molecules are bonded with a singular hydrogen atom

Resource summary

	Created by Tim Attwood about 10 years ago