crees503 Messages 1 Reaction score 0 Thread starter Sep 17, 2011 #1 Why is the Thorium decay series called 4n? I've looked it up but the explanation isn't clear
mathman Science Advisor Homework Helper Messages 8,130 Reaction score 575 Sep 17, 2011 #2 Thorium-232 and all its daughter nuclides have atomic mass numbers (number of protons plus number of neutrons) which are multiples of 4, i.e. 4n, where n is an integer. Last edited: Sep 17, 2011
Thorium-232 and all its daughter nuclides have atomic mass numbers (number of protons plus number of neutrons) which are multiples of 4, i.e. 4n, where n is an integer.