shanette shanette
  • 20-10-2016
  • Chemistry
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selenium has six valence electrons. what is the valence of selenium

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Аноним Аноним
  • 01-11-2016
he valence of selenium depends on which compound it is in. Selenium is very similar to sulfur. It may have a valence of 6; example selenium hexafluoride SeF6, selenium trioxide SeO3 
4; example selenium tetrafluoride SeF4, selenium dioxide SeO2 
2; example selenium difluoride SeF2, selenium dichloride SeCl2 
and -2; example hydrogen selenide H2Se
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