Question

c)
Strontium-90 (SI)
d) Protactinium-234 (Pa)
4) Balance the following nuclear equations by filling in the appropriate symbol
231
235
He
ISRn
86
222
88
214 Pb
214
+
+
14
15
4 He
206
DO
+
→
de
+
29
13 N
+​

Answer 1

Um I would help but next time please be more specific in your question