Bohr's model of the hydrogen atom involved a negative electron orbiting the positive nucleus. What was the fundamental force that supplied the centripetal acceleration to keep the electron in orbit

Which of the following is a conclusion that resulted from ernest rutherford’s scattering experiment? (will mark brainliest) a. the nucleus is negatively charged b. the atom is a dense solid and is indivisible c. the mass is conserved when atoms react chemically d. the nucleus is very small and the atom is mostly empty space