donnabellaswt
donnabellaswt donnabellaswt
  • 25-08-2020
  • Chemistry
contestada

Hii, i’m having a bit of trouble on this and would appreciate help. thank you!

Hii im having a bit of trouble on this and would appreciate help thank you class=
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Eduard22sly
Eduard22sly Eduard22sly
  • 30-08-2020

Answer:

Option A. 231 90Th

Explanation:

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