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प्रश्न
State whether the following ion or radical given below of a non-metallic element exhibits valency: 1–, 2– or 3–. (write the ion or radical with the correct valency).
Oxide
उत्तर
| Name | Symbol | Ion | Valency |
| Oxide | \[\ce{O}\] | \[\ce{O^{2-}}\] | −2 |
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