An element of nucleon number P and atomic number Q emits an alpha particle from...
PHYSICS
WAEC 2014
An element of nucleon number P and atomic number Q emits an alpha particle from its nucleus. The resultant numbers of the new element formed are respectively
- A. P - 4 and Q + 2
- B. P - 4 and Q - 2
- C. P + 2 and Q + 2
- D. P + 2 and Q - 2
Correct Answer: B. P - 4 and Q - 2
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