Common metric prefixes
| kilo- | k | 10^3 |
| deci- | d | 10^-1 |
| centi- | c | 10^-2 |
| milli- | m | 10^-3 |
| micro- | µ | 10^-6 |
| nano- | n | 10^-9 |
Common polyatomic ions
| ammonium | NH4+ |
| hydroxide | OH- |
| nitrate | NO3- |
| nitrite | NO2- |
| sulfate | SO4^2- |
| sulfite | SO3^2- |
| carbonate | CO3^2- |
| phosphate | PO4^3- |
| acetate | C2H3O2- |
| bicarbonate / hydrogen carbonate | HCO3- |
Molecular prefixes
| 1 | mono- |
| 2 | di- |
| 3 | tri- |
| 4 | tetra- |
| 5 | penta- |
| 6 | hexa- |
| 7 | hepta- |
| 8 | octa- |
| 9 | nona- |
| 10 | deca- |
Common monatomic ions
| Li+ | lithium ion |
| Na+ | sodium ion |
| K+ | potassium ion |
| Mg^2+ | magnesium ion |
| Ca^2+ | calcium ion |
| Ba^2+ | barium ion |
| Al^3+ | aluminum ion |
| F- | fluoride ion |
| Cl- | chloride ion |
| Br- | bromide ion |
| I- | iodide ion |
| O^2- | oxide ion |
| S^2- | sulfide ion |
| N^3- | nitride ion |
| P^3- | phosphide ion |
Variable-charge metals
| Fe^2+ | iron(II) |
| Fe^3+ | iron(III) |
| Cu+ | copper(I) |
| Cu^2+ | copper(II) |
| Sn^2+ | tin(II) |
| Sn^4+ | tin(IV) |
| Pb^2+ | lead(II) |
| Pb^4+ | lead(IV) |
| Co^2+ | cobalt(II) |
| Co^3+ | cobalt(III) |
| Mn^2+ | manganese(II) |
| Mn^3+ | manganese(III) |
Nuclear particles
| Alpha | mass 4 | charge 2+ | 4/2 He |
| Beta | mass 0 | charge 1- | 0/-1 e |
| Positron | mass 0 | charge 1+ | 0/+1 e |
| Gamma | mass 0 | charge 0 | 0/0 gamma |
| Proton | mass 1 | charge 1+ | 1/1 p |
| Neutron | mass 1 | charge 0 | 1/0 n |
Attractive force ranking
| weakest | dispersion forces |
| dipole-dipole attractions | |
| hydrogen bonding | |
| strongest | ionic bonding |