DanceExtremely
DanceExtremely DanceExtremely
  • 12-04-2020
  • Chemistry
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Help me on question 5 pls

Help me on question 5 pls class=

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zaiinabaliyu
zaiinabaliyu zaiinabaliyu
  • 12-04-2020
Ca +2
At -1
In +3
Sr +2
Ra +2
Fr +1
Ba +2
As -3
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