Answer
The nucleus is about 1 mm. This is about the radius of a pin. Thus, if the atom were the size of a football stadium with a 100 m radius, the nucleus would have the radius of a pin.
Work Step by Step
The nucleus is about 1 mm. This is about the radius of a pin. Thus, if the atom were the size of a football stadium with a 100 m radius, the nucleus would have the radius of a pin.