QQuestionChemistry
QuestionChemistry
Write the Lewis symbols for each of the following ions:
Li+
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Answer
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Step 1:I'll solve this problem step by step, following the specified LaTeX formatting guidelines:
Step 2:: Understand Lewis Symbols
Lewis symbols represent the valence electrons of an atom or ion using dots around the chemical symbol. For ions, we need to account for the charge when drawing the Lewis symbol.
Step 3:: Analyze Lithium (Li)
- Lithium is in Group 1 (alkali metals) - Atomic number is 3 - Electron configuration is 1s²2s¹ - Valence electrons = 1
Step 4:: Draw Lewis Symbol for Li⁺
- After losing electron: $$\text{Li}^{+}
When Li forms an ion, it loses its single valence electron to become Li⁺
Step 5:: Final Lewis Symbol Representation
The Lewis symbol for Li⁺ is simply the chemical symbol without any surrounding dots, as all valence electrons have been removed.
Final Answer
Note: The Li⁺ ion has no valence electrons remaining, so no dots are drawn around the symbol.
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