Questions: Which particle represents the size of the sulfide ion compared to the sulfur atom?

Which particle represents the size of the sulfide ion compared to the sulfur atom?
Transcript text: Which particle represents the size of the sulfide ion compared to the sulfur atom?
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Solution

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Solution Steps

Step 1: Understanding the Question

The question asks us to compare the size of the sulfide ion (\( \text{S}^{2-} \)) to the sulfur atom (\( \text{S} \)).

Step 2: Analyzing the Sulfide Ion and Sulfur Atom

A sulfur atom (\( \text{S} \)) has 16 protons and 16 electrons. When it gains two additional electrons to become a sulfide ion (\( \text{S}^{2-} \)), it now has 16 protons and 18 electrons.

Step 3: Comparing Sizes

The addition of two electrons increases the electron-electron repulsion in the sulfide ion, causing the electron cloud to expand. Therefore, the sulfide ion (\( \text{S}^{2-} \)) is larger than the neutral sulfur atom (\( \text{S} \)).

Final Answer

\(\boxed{\text{The sulfide ion is larger than the sulfur atom.}}\)

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