In addition to regular cations and anions, there are molecules called polyatomic ions!
These molecules are positively or negatively charged just like ions, except they are made of two or more elements. An example of these polyatomic ions include ammonium (NH4+), Hydroxide (OH-), Nitrate (NO3-), Nitrite (NO2-), Acetate (C2H3O2-), Sulfate (SO4-2), and Phosphate (PO4-3).
They bond to compounds such as ammonium chloride and acetic acid, where acetic acid is shown above.
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