erraticxpert
erraticxpert erraticxpert
  • 08-09-2017
  • Biology
contestada

Fluorine has an atomic number of 9. The n = 1 energy level has two electrons, and the n = 2 energy level has seven electrons. Flourine's valence is _____.

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dsgrw
dsgrw dsgrw
  • 08-09-2017
The answer will be -2
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