Calculate What is the sum
of the mass numbers for Kr
and Ba? Why does this not
equal th...
![subject](/tpl/images/cats/himiya.png)
Chemistry, 09.04.2021 02:20 darkremnant14
Calculate What is the sum
of the mass numbers for Kr
and Ba? Why does this not
equal the mass number of
U-236?
![ansver](/tpl/images/cats/User.png)
Answers: 2
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