13-07-2017
Chemistry

contestada

Which atoms have the same number of neutrons?

1) H-1 and He-3
2) H-2 and He-3
3) H-3 and He-3
4) H-3 and He-4

Respuesta :

dec77cat dec77cat

13-07-2017

2) H-2 and He-3 N(n)=1

4) H-3 and He-4 N(n)=2

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