100k views
0 votes
Radium decays to form radon. *x26Ra 222 Rn + He 86 This type of nuclear decay is called​

User Magdali
by
4.7k points

2 Answers

6 votes

Answer:

Alpha decay

Step-by-step explanation:

Got it right on edge

User FRotthowe
by
4.6k points
3 votes

Answer: it's alpha decay (α)

Explanation: mass number of mother nucleus decreases by four and number of protons decreases by two. Smaller nucleus is He-4 nucleus.

User Silidrone
by
4.8k points