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WAEC Chemistry 2010 Paper

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Question : 1

Total: 38

Which of the following equations represents beta decay?

‌
14
7
N + ‌
4
2
He → ‌
8
17
O + ‌
1
1
H
‌
8238
92
U → ‌
234
90
Th + ‌
4
2
He
‌
8238
92
U → ‌
239
93
Np + ‌
0
−1
e
‌
13
7
N + ‌
4
2
He → ‌
16
8
O + ‌
1
1
H

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