28.03.2023 - 16:41

What is the charge on the ion formed by selenium? A) 1+ B) none of the above C) 2+ D) 1- E) 2-

What is the charge on the ion formed by selenium?

A) 1+

B) none of the above

C) 2+

D) 1-

E) 2-

Answers (1)
  • DeePinNight
    April 2, 2023 в 00:44

    The charge on the ion formed by selenium depends on its valence electrons, which are the electrons in the outermost shell of the atom. Selenium has six valence electrons, and it is located in Group 16 (also known as Group VI A) of the periodic table.

    Group 16 elements typically gain two electrons to form an ion with a 2- charge, since this fills their outermost shell and achieves a stable electron configuration similar to that of the noble gas, neon. Therefore, the answer is (E) 2-. The ion formed by selenium is the selenide ion, Se2-.

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