mayafurey622 mayafurey622
  • 17-08-2021
  • Chemistry
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Where did you put H an He? What are your reasoning for placement?

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sondasokal01
sondasokal01 sondasokal01
  • 17-08-2021

Answer:

On the placement of hydrogen and helium in the periodic system

H1=1

He2=2

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