Mnsheiwat
Mnsheiwat Mnsheiwat
  • 09-09-2016
  • Chemistry
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Please help 10 points!!!

Please help 10 points class=

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callielovesyhuu
callielovesyhuu callielovesyhuu
  • 10-09-2016
the average atomic mass of this element is 39.95 u
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