The first number is the atomic number; i.e., the number of protons. The second number is the mass number; i.e., the number of protons + number of neutrons. Note that mass number must add up on left and right sides and the atomic number must add up on both sides.
94Pu242 ==> 2He4 + 92U238
alpha emission by plutonium 242
write a nuclear equation
1 answer
1 answer