Question

Express your answer as an isotope. a.) 210 8 2Pb→?+210  83Bi b.) 210  88Ra→?+206  86Rn c.) 148  69Tm+?→148  68Er

Express your answer as an isotope.

a.) 210 8 2Pb→?+210  83Bi

b.) 210  88Ra→?+206  86Rn

c.) 148  69Tm+?→148  68Er

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