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**Polyatomic Ions
High priority ions duplicated for higher "flash frequency".
| Polyatomic Ions | Polyatomic Ions |
|---|---|
| formula for ammonium?*** | NH4 (+1) |
| formula for sulfite?** | SO3 (-2) |
| NO2 (-1) | nitrite** |
| formula for chlorate?* | ClO3 (-1) |
| formula for chlorite?* | ClO2 (-1) |
| formula for perchlorate?* | ClO4 (-1) |
| formula for hypochlorite?* | ClO (-1) |
| formula for chromate?* | CrO4 (-2) |
| formula for cyanide?* | CN (-1) |
| formula for thiocyanate? | SCN (-1) |
| formula for phosphite?** | PO3 (-3) |
| formula for hydrogen phosphate?** | HPO4 (-2) |
| formula for dihydrogen phosphate?** | H2PO4 (-1) |
| formula for hydrogen sulfate?* | HSO4 (-1) |
| formula for hydrogen sulfite? | HSO3 (-1) |
| Aside from hydronium (H3O+), what's the only common polyatomic cation?*** | Ammonium. Professors LOVE to test you on this one. |
| formula for acetate?** | CH3COO (-1) |
| formula for bromite? | BrO2 (-1) |
| formula for bromate? | BrO3 (-1) |
| formula for chromite?* | CrO2 (-1) |
| formula for hydronium?*** | H3O (+1...water with an added H+) |
| formula for iodate? | IO3 (-1) |
| formula for iodite? | IO2 (-1) |
| formula for perbromate? | BrO4 (-1) |
| peroxide** | O2 (-2) |
| formula for sulfate?*** | SO4 (-2) |
| formula for phosphate?*** | PO4 (-3) |
| formula for carbonate?*** | CO3 (-2) |
| formula for nitrite?*** | NO2 (-1) |
| "Per___ate" has [one more, one fewer] O than "___ate"? | one more |
| "___ate has [one more, one fewer] O than "___ite"? | one more |
| "Hypo___ite" has [one more, one fewer] O than "___ite"? | one fewer |
| How does charge differ between the ates, ites, per___ates and hypo___ites? | The charge (almost always) stays the same, but the number of O changes. |
| formula for carbonate?*** | CO3 (-2) |
| formula for hydroxide?*** | OH (-1) |
| NH4 (+1) | ammonium*** |
| formula for chlorate?* | ClO3 (-1) |
| Do any monoatomic ions end in "ite"? | Nope, they are usually "ides" like chloride, fluoride, etc. |
| formula for nitrate? | NO3 (-1) |
| formula for hydrogen carbonate?*** | HCO3 (-1) |
| CO3 (-2) | carbonate*** |
| SO3 (-2) | sulfite** |
| SO4 (-2) | sulfate*** |
| HCO3 (-1) | hydrogen carbonate*** |
| OH (-1) | hydroxide*** |
| ClO4 (-1) | perchlorate** |
| ClO3 (-1) | chlorate** |
| ClO2 (-1) | chlorite** |
| ClO (-1) | hypochlorite* |
| O2 (-2) | peroxide* |
| CH3COO (-1) | acetate** |
| CN (-1) | cyanide** |
| NO3 (-1) | nitrate*** |
| BrO2 (-1) | bromite |
| BrO3 (-1) | bromate |
| H3O (+1) | hydronium*** |
| IO3 (-1) | iodate |
| IO4 (-1) | periodate |
| IO2 (-1) | iodite |
| IO (-1) | hypoiodite |
| PO3 (-3) | phosphite** |
| Do any monoatomic ions end in "ate"? | No. They are usually "ides" like chloride, iodide, etc. |
| formula for periodate? | IO4 (-1) |
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Seussian Physics
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