Given the following nuclear reaction:

224/88 Ra → 4/2 He + A/Z X

Column A
1. What is the atomic mass of the new atom?
2. What is the atomic number of the new atom?
3. What is the symbol of the new atom?
4. What type of decay is demonstrated here?

Column B
A. Alpha Decay
B. 224
C. Th
D. Ra
E. 84
F. 90
G. 86
H. 220
i. Rn
J. 88
K. Gamma Decay
L. 228
M. Beta Decay

Column A:

1. What is the atomic mass of the new atom? - G. 86
2. What is the atomic number of the new atom? - E. 84
3. What is the symbol of the new atom? - C. Th
4. What type of decay is demonstrated here? - A. Alpha Decay