Physics 2008 Discuss

14N + 4He 17O + X728 In the equation above, the particles X is

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Question 49
A
a proton
B
a neutron
C
an - particle
D
a - particle
Explanation
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)

Correct option: A

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