MeganGivhuskamberk
MeganGivhuskamberk MeganGivhuskamberk
  • 16-12-2016
  • Chemistry
contestada

An atom of selenium (Se) forms a monatomic ion. Which of the following ions does is most likely form?
Possible answer choices:
Se^2+
Se^6-
Se^6+
Se^2-

Respuesta :

organicstars801
organicstars801 organicstars801
  • 28-10-2018

Answer:

  • The correct answer is Se^2-

Explanation:

  • The elements of group VI-A are
  • O, S, Se and Te.
  • -2 is most likely form in groups VI-A elemenst like O^2- as well as S^2-. Similarly Se also have Se^2-.

Reason:

  • Actually these elements have 6 valence shell electrons and they want to get 2 more electrons in order to get nearest configuration of noble gases.
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