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1 vote
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
+​

User Ptrin
by
8.1k points

1 Answer

3 votes

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

User Mr Man
by
7.2k points
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