Thorium^+2 Chemical symbol:
Atomic Number:
Mass: 232
# of protons
# of neutrons
Group #
Period #

chemical symbol: Th

atomic number:90

protrons :90

neutrons:142

group#:4

period#: 9

Explanation:

you take the atomic weight (232.038)and subtract the atomic number to get (90) which is your neutrons

force required to detach it is given by

charges are taken to be fundamental charge

now we have

so above is the minimum distance at which it will detach