Question

During the fission of uranium-235, neutrons are released and a small amount of mass is converted to energy. How many neutrons are in the nucleus of an atom of uranium-235?

A. 92
B. 143
C. 235
D. 238

Answer 1

how do u solve this?

Answer 2

atomic number = protons
mass number = protons + neutrons

Answer 3

nuetrons=Mass Number of the Isotope-atomic number/number of protons, btw the pic you just added is Uranium-238 lol thats the unrefined boring stuff. So I think your answer is B. 143.

Answer 4

that / means atomic number or number of protons

Answer 5

now help me @sweetburger

Answer 6

the atomic number is the same as the protons right?

Answer 7

yes

Answer 8

okay. yay thank you all!

Answer 9

np