Given the following nuclear reaction:

224/88 Ra → 4/2He + 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. 224
b. Alpha Decay
c. Gamma Decay
d. Th
e. 90
f. 86
g. Beta Decay
h. 84
i. Ra
j. 228
k. Rn
l. 88
m. 220

1. The atomic mass of the new atom is 220.

2. The atomic number of the new atom is 86.
3. The symbol of the new atom is Rn.
4. The type of decay demonstrated here is Alpha Decay.

Column A:
a. 224
e. 90
i. Ra
l. 88
m. 220

Column B:
b. Alpha Decay
d. Th
g. Beta Decay
h. 84
j. 228
k. Rn