Question

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

Answer 1

1. Atomic mass (mass number): 220
2. Atomic number: 86
3. Symbol: 220/86 Rn (or Rn-220)
4. Type of decay: alpha decay (emission of a 4/2 He nucleus)