11 grade chemistry others
What is the electronic configuration for {S^2} ion?
What is the electronic configuration for {S^2} ion?
1 Answer
Askiitians Tutor Team
The electronic configuration for the S^2- ion, which is the sulfide ion, is as follows:
Sulfur (S) has an atomic number of 16, which means it has 16 electrons in its neutral state. When it forms a sulfide ion (S^2-), it gains two electrons to achieve a stable, noble gas electron configuration, which is similar to that of neon (Ne).
The electron configuration of the S^2- ion is: 1s² 2s² 2p⁶ 3s² 3p⁶.
In this electron configuration:
The first energy level (1s²) contains 2 electrons.
The second energy level (2s² 2p⁶) contains 8 electrons.
The third energy level (3s² 3p⁶) contains 8 electrons.
The total number of electrons in the S^2- ion is 2 + 8 + 8 = 18 electrons.
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