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SpyIntel [72]
3 years ago
15

When a 235 92U nucleus is bombarded by neutrons (10n) it undergoes a fission reaction, resulting in the formation of two new nuc

lei and neutrons. The following equation is an example of one such fission process: 235 92U+10n→AZBa+9436Kr+310n Enter the isotope symbol for the barium (Ba) nucleus in this reaction.
Chemistry
1 answer:
user100 [1]3 years ago
5 0

Answer:

^{139}_{56}Ba

Explanation:

The fission reaction taking place given in the question is:

^{235}_{92}U+^{1}_{0}n\rightarrow ^{A}_{Z}Ba+^{94}_{36}Kr+3^{1}_{0}n

The mass is conserved in the reaction.

So,

235 + 1 = A + 94 + 3×1

A = 139 g/mol

Also, number o protons remain same. So,

92  = Z + 36

Z = 56

The isotopic symbol is ^{139}_{56}Ba

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