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| Abbreviation | Full Form | Category |
|---|---|---|
| A&O | Alert and Orientated |
Others
|
| A&O | Alert and Oriented |
Others
|
| A&O | Aware and Oriented |
Others
|
| A/O | Acceptance of Order |
Others
|
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Nitrogen (Symbol: N, Atomic number: 7) is a non-metal element discovered in 1772. It belongs to period 2 and group 15 of the periodic table. It is the most abundant\u2026
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