MariXoUK
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  • 20-12-2019
  • Chemistry
contestada

1) Element X has a nucleon (mass) number of 19 and a proton (atomic) number of 9.
To which group in the Periodic Table does it belong?
A) 1 B) 3 C) 7 D) 0

Respuesta :

Аноним Аноним
  • 20-12-2019

Answer:

Halogen group (group 17)

Hope it helps:)

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