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The nucleus 6C12 absorbs an energetic neutron and emits a beta particle (β). The resulting nucleus is

1. N14
2. N13
3. B13
4. C13

Correct answer: N13

Solution

When 6C12 absorbs a neutron, it becomes 6C13. Emission of a beta particle (β) converts a neutron into a proton, increasing the atomic number by 1, resulting in 7N13.

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