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प्रश्न
Write electronic configuration of oxygen, fluorine, sodium, silicon, argon.
उत्तर
| Element | At.Numbers |
Electronic Configuration K L M N |
| 1. Oxygen | 8 | 2 6 |
| 2. Fluorine | 9 | 2 7 |
| 3. Sodium | 11 | 2 8 1 |
| 4. Silicon | 14 | 2 8 4 |
| 5.Argon | 18 | 2 8 8 |
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