At the center, 8 unmarked red balls are interspersed with 6 blue balls marked with plus signs. A green cloud with 2 concentric w
hite lines surrounds the center, with 2 small green balls marked with minus signs on the inner white line and 4 small green balls marked with minus signs on the outer white line. How many protons does this atom have? How many neutrons does this atom have? How many electrons does this atom have?