Study hint: color code flash cards by chemical group. Example Alkali Metals, Halogens etc. C4 Curricular Requirement
| Element name |
Ion name |
Charge | Ion symbol |
| chlorine | chloride | -1 | Cl- |
| hydrogen | hydrogen | +1 | H+ |
| oxygen | oxide | -2 | O2- |
| sodium | sodium | +1 | Na+ |
| neon | -- | 0 | Ne |
| carbon | carbon | +4 | C4+ |
| magnesium | magnesium | +2 | Mg2+ |
| calcium | calcium | +2 | Ca2+ |
| fluorine | fluoride | -1 | F- |
| iron | ferric | +3 | Fe3+ |
| copper | cupric | +2 | Cu2+ |
| aluminum | aluminum | +3 | Al3+ |
| sulfur | sulfide | -2 | S2- |
| potassium | potassium | +1 | K+ |
| bromine | bromide | -1 | Br- |
| phosphorus | phosphide | -3 | P3- |
| nitrogen | nitride | -3 | N3- |
| helium | -- | 0 | He |
| silver | silver | +1 | Ag+ |
| cobalt | cobaltous | +2 | Co2+ |
| barium | barium | +2 | Ba2+ |
| lead | plumbic | +4 | Pb4+ |
| iodine | iodide | -1 | I1- |
| zinc | zinc | +2 | Zn2+ |
| mercury | mercuric | +2 | Hg2+ |
| arsenic | arsenous | +3 | As3+ |
| nickel | nickelous | +2 | Ni2+ |
| argon | -- | 0 | Ar |
| silicon | silicon | +4 | Si4+ |
| tin | stannic | +4 | Sn4+ |
| krypton | -- | 0 | Kr |
| lithium | lithium | +1 | Li1+ |
| boron | boron | +3 | B3+ |
| beryllium | beryllium | +2 | Be2+ |
| xenon | -- | 0 | Xe |
| Polyatomic ions | |||
| -- | hydroxide | -1 | OH- |
| -- | sulfate | -2 | SO42- |
| -- | nitrate | -1 | NO3- |
| -- | phosphate | -3 | PO43- |
| -- | chromate | -2 | CrO42- |
| -- | chlorate | -1 | ClO31- |
| -- | carbonate | -2 | CO32- |
| -- | acetate | -1 | C2H3O2- |
| -- | ammonium | +1 | NH4+ |
| -- | oxalate | -2 | C2O42- |
| -- | thiosulfate | -2 | S2032- |
| -- | cyanide | -1 | CN- |
| -- | peroxide | -2 | O22- |
| -- | silicate | -4 | SiO44- |
| -- | permanganate | -1 | MnO4- |