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14 N +

14 N + 4 He → 17 O + X
7 2 8


In the equation above, the particles X is?

A.

a proton

B.

a neutron

C.

an α - particle

D.

a β - particle

View answer & explanation

Correct answer is A

for the conversion of mass 14 + 4 = 17 + x
∴ X = 18 - 17 = 1
for conservation pf charge:7 + 2 = 8 + y
y = 9 - 8 = 1
Thus, the element is 11X which is equal to hydrogen nucleus ( proton)

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