To understand how nuclear size is related to its mass number, we can follow these steps:
### Step 1: Understand the relationship between nuclear radius and mass number
The radius of a nucleus (r) can be expressed in terms of its mass number (A) using the formula:
\[ r = r_0 \cdot A^{1/3} \]
where \( r_0 \) is a constant approximately equal to \( 1.2 \times 10^{-15} \) meters.
### Step 2: Identify the variables in the formula
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