Why neon is totally inert? 

Explanation

### Step-by-Step Solution

1. **Identify Neon as a Noble Gas**:
- Neon (Ne) is classified as a noble gas, which is found in the rightmost column of the periodic table. Noble gases include helium, neon, argon, krypton, xenon, and radon.

2. **Understand the Concept of Inertness**:
- The term "inert" refers to the inability of a substance to react chemically with other substances. Noble gases are known for their lack of reactivity.

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