Is the Coulomb force between two electrons greater than gravitational force between them? If so by what factor?

If F_c is the Coulomb force between two electrons and Fg is the gravitional force between them, then

How does the gravitational force between two objects vary with distance between them ?

What is the ratio of electrostatic force and gravitational force between two electrons?

The force between two magnetic pole can be

What is work done by gravitational force between planet and sun?

The gravitational force between two protons is attractive. Then the Coulomb force between the protons is

Find the Coulomb force between two protons in a nucleus, if the average distance between two protons in a nucleus is 6 fm.