What is the total charge of the thorium nucleus? (The neutral thorium atom has 90 electrons.) 1.44x10-17 c You are correct. Your receipt no. is 164-1580 ? Previous Tries What is the magnitude of the force on an electron at a distance of 6.07 angstrom from the thorium nucleus? Hint: You will need Coulomb's law here. Submit Answer Incorrect. Tries 5/99 Previous Tries What would the magnitude of the force be if the distance of the electron from the nucleus were halved? Submit Answer Tries 0/99