The diameter of the nucleus is in the range of NUMBER@1 fm -LRB- -RRB- -LRB- for a proton in light hydrogen -RRB- to about NUMBER@2 fm -LRB- for the heaviest atoms , such as uranium -RRB- .

The size -LRB- diameter -RRB- of the nucleus is in the range of NUMBER@1 fm -LRB- NUMBER@3 m -RRB- -LRB- for a proton in light hydrogen -RRB- to about NUMBER@2 fm -LRB- for the heaviest atoms , such as uranium -RRB- .
