IONS 2- – Chemistry – Flashcards
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2- CO3 |
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| carbonate ion |
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| 2- CrO4 |
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Chromate ion |
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| 2- Cr2O7 |
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| Dichromate ion |
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| 2- SO4 |
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| Sulfate ion |
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| 2- SO3 |
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| Sulfite ion |
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| 2- S |
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| sulfide |
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| 2- O |
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| Oxide |
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| which 2- ions have the X4? |
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remember: sulfate and chromate are the only two 2- ion that have X4. to remember, recall that: your "mate" is your "fate" and 'mates'can only happen in even numbers, so in this case it is FOUR.
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