The composition of an α-particle can be expressed as ……………….
A. 1p + 1n
B. 1p + 2n
C. 2p + 1n
D. 2p + 2n
Answer:D
The composition of an α-particle can be expressed as ……………….
A. 1p + 1n B. 1p + 2n C. 2p + 1n D. 2p + 2n