24 Na → 24 mg4 + X + energy 11         2                             
The equation above represents a nuclear decay of sodium isotope. What is X?
A
Alpha particle
B
Beta particle
C
Gamma ray
D
X-ray
E
Neutron
Verified Correct Answer: B.
Physical Principles & Numerical Solution
No expanded working has been attached for this question yet. The verified answer is Option B.
Source: Myschool Past Questions Archive (Record #25044)