219k views
3 votes
Please help, thank you:))

Please help, thank you:))-example-1
User Tien Dinh
by
7.1k points

1 Answer

1 vote

Step-by-step explanation:

15 8 O ---> 15 7 N + 0 1 e

Element: Oxygen

Mass Number: 16 u

Decay: Beta

238 92 U ----> 234 90 Th + -4 -2 e

Element: Uranium

Mass Number: 238.051 u

Decay: Alpha

User Cupid Chan
by
7.5k points