Question

which represents the ion formed when sulfur achieves a full valence shell? a b c d

Explanation:

Step1: Determine the valence electrons of sulfur

Sulfur has 6 valence electrons. To achieve a full valence shell (8 electrons), it needs to gain 2 electrons.

Step2: Analyze the charge of the ion

When an atom gains electrons, it forms a negatively - charged ion. Gaining 2 electrons gives a charge of \(2-\).

Answer:

B. \(S^{2 -}\)