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How many valence electrons does lithium (Li) have available for bonding?

Question

How many valence electrons does lithium (Li) have available for bonding?

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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

  1. Determine the electron configuration of lithium.
  2. 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 1s22s11s^2 2s^1.

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.

This problem has been solved

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