Atomic radius of `Li is 1.23 Å` and ionic radius of `Li^(+)` is `0.76 Å`. Calculate the percentage of volume occupied by single valence electron in `Li`.

Explanation

To calculate the percentage of volume occupied by a single valence electron in lithium (Li), we will follow these steps:

### Step 1: Calculate the volume of the lithium atom
The formula for the volume \( V \) of a sphere is given by:
\[ V = \frac{4}{3} \pi r^3 \]
Where \( r \) is the atomic radius.
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