myrjnnfr84
myrjnnfr84 myrjnnfr84
  • 11-11-2018
  • Chemistry
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i will give a lot of points if you can help me with these

i will give a lot of points if you can help me with these class=

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12481307 12481307
  • 12-11-2018
it is 21 hydrogen and atom
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