How many valence electrons does lithium (Li) have available for bonding?
Question
How many valence electrons does lithium (Li) have available for bonding?
Solution
Step 1: Define the Problem
Identify the number of valence electrons in a lithium (Li) atom that are available for bonding.
Step 2: Break Down the Problem
- Determine the electron configuration of lithium.
- Identify the valence shell and count the electrons in it.
Step 3: Apply Relevant Concepts
- Lithium has an atomic number of 3, which means it has 3 electrons.
- The electron configuration of lithium is .
Step 4: Analysis, Verify and Summarize
- The valence shell is the outermost shell, which is the second shell (2s) in lithium.
- There is 1 electron in the 2s orbital.
Final Answer
Lithium (Li) has 1 valence electron available for bonding.
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