What happens when atoms approach each other. The physical nature of the chemical bond

Exploring the mathematics -Reference  'Why chemical reactions happen' by James Keeler and Peter Wothers - section 3.2 page 21

Come up with the equation for electrostatic force.

MM - whiteboard animation to present some of thiese more mathematical ideas

Re-emphasise the 'Physical nature of the chemical bond' - page 111 Teaching secondary chemistry