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प्रश्न
The elements of one short period of the periodic table are given below in order from left to right:
| Li | Be | B | C | O | F | Ne |
One element of this period is missing. Which is the missing element and where should it be placed?
उत्तर
Nitrogen and it should be placed after carbon before oxygen.
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संबंधित प्रश्न
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