CM8001

one carbon atom differs from another in the number of neutrons and in the number of electrons. carbon atoms differ from all uranium atoms in terms of the number of protons, neutrons and electrons and also in their chemical properties.

N represents the nitrogen element and stands for naturally occurring mixture of all isotopes. the symbol 14N represents isotope with mass number 14 while 15N represents an isotope with mass number 15

1. 94 protons
2. Neptunium Np (93 protons), Plutonium Pu (94 protons)
3. 86 protons

a: control rod assembly
b: cooling water out of the core
c: control rod
d: cooling water into the core
e: fuel rods