luckytiger256
luckytiger256 luckytiger256
  • 02-02-2021
  • Chemistry
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help me please asap ...........................................

help me please asap class=

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lnema
lnema lnema
  • 02-02-2021
3. The Chemical property of an unknown element is the number of valence electrons
4. The number of protons in one atom of an element
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