224/88Ra 4/2 He + A/ZX

Question

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. The atomic mass of the new atom is 228.
2. The atomic number of the new atom is 90.
3. The symbol of the new atom is Th (Thorium).
4. The type of decay demonstrated here is alpha decay.