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) |