Posted by **Blaze** on Monday, May 2, 2011 at 9:18am.

Supply the missing atomic symbol to complete the equation for the following nuclear fission reaction.

1/0n +235/92U ------> 137/52 Te +?/?X + 2 1/0 n + energy

also how do you decipher whether its 2 1/0n rather than 3?

- chem -
**DrBob222**, Monday, May 2, 2011 at 12:48pm
The lower numbers must add to the same on both sides. The upper numbers must add to the same on both sides.

On the bottom. You have 92 + 0 on the left. There must be 92 on the right. We have 52 + 0 showing; the remainder must be the lower number for X. Look on the periodic table to find that element.

Top numbers are done the same way.

235+1 on the left = 236.

On the right, 236 - 137 -2 = top number for X.

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