Coulumb's Law Exploration

1. Coulumb's Law is a law describing the electrostatic attraction between two charged particles. The equation is E (energy) is equivalent to Q1 + Q2 over d (distance). The Q's are the different charges.
2. Distance and charge both effect the energy in  a different way. Distance is indirectly related to energy, the greater the distance, the less the energy to remove an electron from the atom. Charge and energy are directly related, so the greater the charge the greater the energy required to remove an electron from the atom.
3. Removing an electron is an endothermic process because it requires energy to be absorbed by the electron for it to overcome the attractive forces of the nucleus. Its not exothermic because it isn't letting go of energy. If it was, the electron would be moving closer to the nucleus, not away from it.
4. The amount of energy required to remove an electron is based on the distance from the electron and the charge of the nucleus, and also the net charge the nucleus has on the electron. The further from the nucleus, the less energy it takes to remove and electron. The closer to the nucleus, the harder it is to remove. The valence electron is the furthest electron from the nucleus, and the net charge on the valence electron is usually less than the net charge on the electron that are in closer orbitals.
5. The energy to remove an electron compared the energy to excite and electron are much different. If the electron is in a higher orbital, the energy to remove it is low. However, the energy to move an electron from a low orbital to a high orbital, or from ground state to an excited state, needs a lot of energy because its overcoming the attractive electrostatic forces. Now if the electron that you're removing is closer to the nucleus, it could potentially take around the same amount of energy to remove it as it would to move that electron to an excited state.