Answer: It is Neutron
Step-by-step explanation:
²⁷₁₃Al + ⁴₂α = ³⁰₁₅P + ?
27 + 4 = 30 + M
31 = 30 + M
-30 -30
1 = M
13 + 2 = 15 + Z
15 = 15 + z
-15 = -15
0 = z
¹₀n
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