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Which nucleus completes the following equation?
212 86 Rn-> 4 2 He+?

Which nucleus completes the following equation? 212 86 Rn-> 4 2 He+?-example-1
User Majkeee
by
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1 Answer

7 votes

Answer:

A

Step-by-step explanation:

208+4=212

84+2=86

The correct answer is A

User Arrya Regan
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