bangbrokevo190 bangbrokevo190
  • 23-02-2018
  • Chemistry
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The atomic number of lithium, the first element in group 1, is 3. the atomic number of the second element in this group is

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modyelking01p4la70 modyelking01p4la70
  • 23-02-2018
the next element is Na wich 11 is the atomic number
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