Question 2 of 10 Which is an example of a scientist using a mathematical model to describe the atom? O A. The scientist uses ping-pong balls to represent protons, neutrons, and electrons. O B. The scientist thinks of the atom as being like a planet and its moons. O C. The scientist has a computer calculate how far the electrons are from the nucleus. D. The scientist draws a picture of an atom, being as accurate as possible