Electronic configuration of a neutral atom 'X' is 2, 8, 6. What is the electronic configuration of `X^(-2)`?

Explanation

To find the electronic configuration of the ion \( X^{(-2)} \) based on the given electronic configuration of the neutral atom \( X \), we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Electronic Configuration of Neutral Atom \( X \)**:
The electronic configuration of the neutral atom \( X \) is given as \( 2, 8, 6 \).

2. **Calculate the Total Number of Electrons in Neutral Atom \( X \)**:
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