View Full Version : Protons and neutrons
gertrude88
Dec 11, 2010, 01:34 PM
How many protons and neutrons are present in the plutonium-238 nucleus?
Lightning55
Dec 11, 2010, 02:24 PM
Plutonium-238 is an isotope. Plutonium has atomic number 94, meaning there are 94 protons. 238 is the atomic weight. Since protons and neutrons have an atomic weight of 1, you just subtract 94 from 238 to find the number of neutrons: 144. You could also search it on Google and I'm willing to bet you'll find some answers.
gertrude88
Dec 11, 2010, 03:21 PM
I think I have been on every site out there and am just really struggling with these. I really do appreicate your help. I will be back later to respond more.
I have an obligation I have to go to rihgt now. I will be back thank you.
gertrude88
Dec 12, 2010, 09:46 AM
I understand that one, thank you for your help.