nephilimxo nephilimxo

16-08-2018
Physics

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Urgent question!!
Which one is the answer?

Urgent question Which one is the answer class=

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mkryukova19 mkryukova19

16-08-2018

[tex] _{1}^{1}H + _{7}^{15}N-->_{x}^{y}Element + _{2}^{4}He
\\ \\ 1+15=y+4,y=12
\\ \\1+7=x+2, x=6
\\ \\_{6}^{12}Element = _{6}^{12}C
\\ \\Answer\ is\ D. [/tex]

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