Q. An alpha particle contains
A. 4 positive charge and 2 mass unit
B. 2 positive charge and 4 mass unit
C. 2 positive charge and 2 mass unit
D. 4 positive charge and 4 mass unit
Answer: 2 positive charge and 4 mass unit
A. 4 positive charge and 2 mass unit
B. 2 positive charge and 4 mass unit
C. 2 positive charge and 2 mass unit
D. 4 positive charge and 4 mass unit
Answer: 2 positive charge and 4 mass unit
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