What particle is needed to balance this equation? *
23A1 β He + ?+2jNa...
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 05.05.2020 22:12, poppygirl193
What particle is needed to balance this equation? *
23A1 β He + ?+2jNa
![answer](/tpl/images/cats/otvet.png)
Answers: 2
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