The Primary Reason That Very Large Nuclei Are Unstable Is

Multiple Choice

The primary reason that very large nuclei are unstable is due to

A) the cumulative attractive force between the protons and the orbiting electrons.
B) the repulsive force between the neutrons and the protons.
C) the extreme weakness of the gravitational attraction of the protons.
D) the cumulative repulsive force of the protons.