memo21 memo21
  • 23-03-2017
  • Chemistry
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What is the total number of valence electrons in an atom with the electron configuration 1s2 2s2 2p6 3s2 3p3

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Monkeyb0y
Monkeyb0y Monkeyb0y
  • 23-03-2017
Just a sec..........

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