1. Coulomb law

2. Electric Fields of Force
The Force of Electric charges are determined by the type of charge of the objects.
unlike charges attract
like charges repel
A strong charge will attract a weak or neutral charge

3. Coulomb’s law
The magnitude of the force between 2 equal sized objects
Fe = k q1 q2 r2
k (electrostatic constant =8.99 x 109 N m2/C2)
q (charge in Coulombs)
r ( distance between the charges) Fe r

4.  Qualitative statement: The force between two charged particles depends on three things:
1) the nature of the signs of the charges: tells you whether the force is attractive or repulsive
2) the magnitudes of the charges: The bigger the magnitudes (strictly speaking, the product of the
two magnitudes), the stronger the force.
3) The distance between the centers of the two particles: The larger the distance, the weaker the force.

5. Coulombs Law: Summary Fe = k q1 q2 r2
The force of electrical charge is an inverse square of the distance between the charge:

7. Periodic Trends
Compare the force of attraction between a valence electron to the core of fluorine vs oxygen
Compare the force of attraction between a valence electron to the core of fluorine vs bromine

8. How does this relate to atomic radius, ionization energy, electron affinity, electronegativity, and reactivity?