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:B
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