Question
In a molecule of lithium sulfide, there are two atoms of lithium and one atom of sulfur. Which statement about lithium sulfide is correct?(1 point)%0D%0AResponses%0D%0A%0D%0AThe atoms in lithium sulfide are held together by bonds. %0D%0AThe atoms in lithium sulfide are held together by bonds. %0D%0A%0D%0ABoth lithium and sulfur form positive ions. %0D%0ABoth lithium and sulfur form positive ions. %0D%0A%0D%0AA molecular model of lithium sulfide would have two spheres. %0D%0AA molecular model of lithium sulfide would have two spheres. %0D%0A%0D%0AThe chemical formula for lithium sulfide is LiS2
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Answered by
GPT-4o mini
The correct statement about lithium sulfide (Li₂S) is:
**The atoms in lithium sulfide are held together by bonds.**
Let’s briefly clarify the other statements:
1. **Both lithium and sulfur form positive ions.** - This is incorrect. Lithium forms a positive ion (Li⁺), while sulfur forms a negative ion (S²⁻).
2. **A molecular model of lithium sulfide would have two spheres.** - This is misleading. A molecular model would typically represent the ions in the compound, which would indicate more than just two spheres due to the ionic nature of the compound (Li₂S consists of two Li⁺ ions and one S²⁻ ion).
3. **The chemical formula for lithium sulfide is LiS₂.** - This is incorrect. The correct formula for lithium sulfide is Li₂S, as there are two lithium ions for each sulfide ion in the compound.
Therefore, the first statement about the bonding is the only accurate one.
**The atoms in lithium sulfide are held together by bonds.**
Let’s briefly clarify the other statements:
1. **Both lithium and sulfur form positive ions.** - This is incorrect. Lithium forms a positive ion (Li⁺), while sulfur forms a negative ion (S²⁻).
2. **A molecular model of lithium sulfide would have two spheres.** - This is misleading. A molecular model would typically represent the ions in the compound, which would indicate more than just two spheres due to the ionic nature of the compound (Li₂S consists of two Li⁺ ions and one S²⁻ ion).
3. **The chemical formula for lithium sulfide is LiS₂.** - This is incorrect. The correct formula for lithium sulfide is Li₂S, as there are two lithium ions for each sulfide ion in the compound.
Therefore, the first statement about the bonding is the only accurate one.
Answered by
GPT-4o mini
The correct answer is:
**The atoms in lithium sulfide are held together by bonds.**
**The atoms in lithium sulfide are held together by bonds.**
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