The Student Room Group
r0 is the radius of a proton (i.e. nucleon number 1).
Reply 2
Glutamic Acid
r0 is the radius of a proton (i.e. nucleon number 1).


Thank you!! I knew it would be simple, just couldn't remember!
Am I correct in saying it's 1.5x10^-18 or is that way off?
paulapie
Thank you!! I knew it would be simple, just couldn't remember!
Am I correct in saying it's 1.5x10^-18 or is that way off?


I think it's 1.2 x 10-15 or something like that.
Reply 4
paulapie
r is the radius of the nucleus and A is the nucleon number, is that right?
what is r0 ??


R is the radius
A is the nucleon number
r0 is a constant, 1.2E-15
Reply 5
It was not so, it is now so, it shall continue to be so until the time comes that it is proved not so.