lentegabriella lentegabriella

12-05-2022
Physics

contestada

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

Which nucleus completes the following equation 212 86 Rngt 4 2 He class=

Respuesta :

12-05-2022

Answer:

A

Explanation:

208+4=212

84+2=86

The correct answer is A

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