Which of the following is the electron configuration of a sulfide ion,S2-?Question 2Select one:a.[Ne]3s23p4b.[Ne]c.[Ne]3s23p1d.[Ar]e.[Ne]3s23p2
Question
Which of the following is the electron configuration of a sulfide ion, S<sup>2-</sup>?
Question 2
Select one:
a. [Ne]3s<sup>2</sup>3p<sup>4</sup>
b. [Ne]
c. [Ne]3s<sup>2</sup>3p<sup>1</sup>
d. [Ar]
e. [Ne]3s<sup>2</sup>3p<sup>2</sup>
Solution
The electron configuration of a sulfide ion, S2-, is [Ne]3s23p6.
Here's why:
-
The atomic number of sulfur (S) is 16. So, a neutral sulfur atom would have 16 electrons. The electron configuration of a neutral sulfur atom would be [Ne]3s23p4.
-
However, a sulfide ion (S2-) has gained two extra electrons, making a total of 18 electrons.
-
Therefore, the electron configuration of a sulfide ion (S2-) would be [Ne]3s23p6.
So, none of the options a, b, c, d, e are correct.
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