Respuesta :

a. selenate . (sulfate counterpart)
b. selenide . (sulfide counterart)
c. hydroselenide . (hydrosulfide counterpart)
d. hydrogen selenite

The names of ion are:

[tex]Selenate = SeO_4^{2-}\\Selenide = Se^{-2}\\Hydroselenide = HSe^-\\Hydrogenselenite = HSeO_3^-\\[/tex]

Explanation:

  • Sulfur forms various compounds such as sulfates, sulfites,  sulfides, hydrosulfides, hydrogensulfites.
  • The  symbols of these ions are:

[tex]Sulfate = SO_4^{2-}\\Sulfite = SO_3^{2-}\\Sulfide = S^{-2}\\Hydrosulfide = HS^-\\Hydrogensulfite = HSO_3^-\\[/tex]

According to the question, selenium also forms compounds analogous to sulfur so the name of the given ions of selenium will be in analogy to that of the sulfur compound.

[tex]Selenate = SeO_4^{2-}\\Selenide = Se^{-2}\\Hydroselenide = HSe^-\\Hydrogenselenite = HSeO_3^-\\[/tex]

Learn more about sulfur and selenium here

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