High School

What charges are most commonly observed for monatomic ions of the following elements?

(a) Selenium
(b) Fluorine
(c) Iron
(d) Nitrogen

Answer :

Final answer:

The most common charges of monatomic ions for selenium, fluorine, iron, and nitrogen are -2, -1, +2 or +3, and -3 respectively.

Explanation:

The charges exhibited by the monatomic ions of selenium (Se), fluorine (F), iron (Fe), and nitrogen (N) are typically as follows:

  • Selenium (Se): Selenium most commonly forms a -2 charge when it gains two electrons to achieve a stable electron configuration.
  • Fluorine (F): Fluorine typically forms a -1 charge when it gains one electron to reach a stable electron configuration.
  • Iron (Fe): Iron can form +2 or +3 charge depending on the situation. It commonly forms Fe2+ and Fe3+ ions.
  • Nitrogen (N): Nitrogen typically forms a -3 charge when it gains three electrons to achieve a stable electron configuration.

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