All of the ions that should be memorized before taking the AP chemistry test.
| 33551355 | Aluminum | Al(3+) | |
| 33551356 | Ammonium | NH4(+) | |
| 33551357 | Arsenic (III) | As(3+) | |
| 33551358 | Arsenic (V) | As(5+) | |
| 33551359 | Barium | Ba(2+) | |
| 33551360 | Bismuth (III) | Bi(3+) | |
| 33551361 | Bismuth (V) | Bi(5+) | |
| 33551362 | Cadmium | Cd(2+) | |
| 33551363 | Calcium | Ca(2+) | |
| 33551364 | Chromium (II) | Cr(2+) | |
| 33551365 | Chromium (III) | Cr(3+) | |
| 33551366 | Cobalt (II) | Co(2+) | |
| 33551367 | Cobalt (III) | Co(3+) | |
| 33551368 | Copper (I) | Cu(+) | |
| 33551369 | Copper (II) | Cu(2+) | |
| 33551370 | Hydrogen | H(+) | |
| 33551371 | Hydronium | H3O(+) | |
| 33551372 | Iron (II) | Fe(2+) | |
| 33551373 | Iron (III) | Fe(3+) | |
| 33551374 | Lead (II) | Pb(2+) | |
| 33551375 | Lead (IV) | Pb(4+) | |
| 33551376 | Lithium | Li(+) | |
| 33551377 | Magnesium | Mg(2+) | |
| 33551378 | Manganese (II) | Mn(2+) | |
| 33551379 | Manganese (IV) | Mn(4+) | |
| 33551380 | Mercury (I) | Hg2(2+) | |
| 33551381 | Mercury (II) | Hg(2+) | |
| 33551382 | Nickel | Ni(2+) | |
| 33551383 | Potassium | K(+) | |
| 33551384 | Silver | Ag(+) | |
| 33551385 | Sodium | Na(+) | |
| 33551386 | Strontium | Sr(2+) | |
| 33551387 | Tin (II) | Sn(2+) | |
| 33551388 | Tin (IV) | Sn(4+) | |
| 33551389 | Zinc | Zn(2+) | |
| 33551390 | Bromide | Br(-) | |
| 33551391 | Hypobromite | BrO(-) | |
| 33551392 | Bromite | BrO2(-) | |
| 33551393 | Bromate | BrO3(-) | |
| 33551394 | Perbromate | BrO4(-) | |
| 33551395 | Carbonate | CO3(2-) | |
| 33551396 | Hypochlorite | ClO(-) | |
| 33551397 | Chlorite | ClO2(-) | |
| 33551398 | Chlorate | ClO3(-) | |
| 33551399 | Perchlorate | ClO4(-) | |
| 33551400 | Chloride | Cl(-) | |
| 33551401 | Chromate | CrO4(2-) | |
| 33551402 | Cyanide | CN(-) | |
| 33551403 | Dichromate | Cr2O7(2-) | |
| 33551404 | Dihydrogen Phosphate | H2PO4(-) | |
| 33551405 | Acetate | C2H3O2(-) | |
| 33551406 | Flouride | F(-) | |
| 33551407 | Hydride | H(-) | |
| 33551408 | Hydrogen Carbonate | HCO3(-) | |
| 33551409 | Hydrogen Oxalate | HC2O4(-) | |
| 33551410 | Hydrogen Phosphate | HPO4(2-) | |
| 33551411 | Hydrogen Sulfate | HSO4(-) | |
| 33551412 | Hydrogen Sulfide | HS(-) | |
| 33551413 | Hydrogen Sulfite | HSO3(-1) | |
| 33551414 | Hydroxide | OH(-) | |
| 33551415 | Hypoiodite | IO(-) | |
| 33551416 | Iodite | IO2(-) | |
| 33551417 | Iodate | IO3(-) | |
| 33551418 | Periodate | IO4(-) | |
| 33551419 | Iodide | I(-) | |
| 33551420 | Permanganate | MnO4(-) | |
| 33551421 | Nitrate | NO3(-) | |
| 33551422 | Nitride | N(3-) | |
| 33551423 | Nitrite | NO2(-) | |
| 33551424 | Oxalate | C2O4(2-) | |
| 33551425 | Oxide | O(2-) | |
| 33551426 | Peroxide | O2(2-) | |
| 33551427 | Phosphate | PO4(3-) | |
| 33551428 | Phosphide | P(3-) | |
| 33551429 | Phosphite | PO3(3-) | |
| 33551430 | Sulfate | SO4(2-) | |
| 33551431 | Sulfide | S(2-) | |
| 33551432 | Sulfite | SO3(2-) | |
| 33551433 | Thiosulfate | S2O3(2-) | |
| 33551434 | Thiocyanate | SCN(-) |

