which of the following balanced equations is labeled incorrectly?

Question

A. Fusion: 2over1 H + 2over1H ---> 3over1 H + 1over1 H
B. Bombardment: 239over94 Pu + 1over0 n ---> 240over95 Am + 0over-1 e
C. Beta production:239over92 U --> 239over93 Np + 0over-1 e
D. fission: 209over83 Bi + 4over2 He ---> 211over85 At + 2 1over0 n
E. all are correctly labeled.


please provide explanation

Answer 1

The sum of all the over numbers and the sum of all the under numbers have to be equal on both sides. They are so E is correct. In D, note that the 2-1/0n counts as 2 over and 0 under.

Answer 2

E - all look correct to me.