CHEMISTRY THE CENTRAL SCIENCE
Common Ions
Positive Ions (Cations)
1+
ammonium (NH4+)
cesium (Cs+)
copper(I) or cuprous (Cu+)
hydrogen (H+)
lithium (Li+)
potassium (K+)
silver (Ag+)
sodium (Na+)
2+
barium (Ba2+)
cadmium (Cd2+)
calcium (Ca2+)
chromium(II) or chromous (Cr2+)
cobalt(II) or cobaltous (Co2+)
copper(II) or cupric (Cu2+)
iron(II) or ferrous (Fe2+)
lead(II) or plumbous (Pb2+)
magnesium (Mg2+)
manganese(II) or manganous (Mn2+)
mercury(I) or mercurous (Hg22+)
mercury(II) or mercuric (Hg2+)
strontium (Sr2+)
nickel(II) (Ni2+)
tin(II) or stannous (Sn2+)
zinc (Zn2+)
3+
aluminum (Al3+)
chromium(III) or chromic (Cr3+)
iron(III) or ferric (Fe3+)
Negative Ions (Anions)
1–
acetate (CH3COO– or C2H3O2–)
bromide (Br–)
chlorate (ClO3–)
chloride (Cl–)
cyanide (CN–)
dihydrogen phosphate (H2PO4–)
fluoride (F–)
hydride (H–)
hydrogen carbonate or bicarbonate (HCO3–)
hydrogen sulfite or bisulfite (HSO3–)
hydroxide (OH–)
iodide (I–)
nitrate (NO3–)
nitrite (NO2–)
perchlorate (ClO4–)
permanganate (MnO4–)
thiocyanate (SCN–)
2–
carbonate (CO32–)
chromate (CrO42–)
dichromate (Cr2O72–)
hydrogen phosphate (HPO42–)
oxide (O2–)
peroxide (O22–)
sulfate (SO42–)
sulfide (S2–)
sulfite (SO32–)
3–
arsenate (AsO43–)
phosphate (PO43–)