nephilimxo nephilimxo
  • 16-08-2018
  • Physics
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mkryukova19 mkryukova19
  • 16-08-2018

[tex] _{94}^{239}Pu+ _{0}^{1}n--->_{40}^{100}Zr+_{x}^{y}Element+2_{0}^{1}n\\ \\ 94+0=40+x+0, x= 54,\\ \\ 239+1 = 100+y+2*1, y=138\\ \\_{54}^{138}Element= _{54}^{138}Xe [/tex]

Answer is A.

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