Simple Cations and Anions |
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Cations |
Anions |
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Symbol |
Name |
Symbol |
Name |
H+1 |
Hydrogen |
H-1 |
Hydride |
Li+1 |
Lithium |
F-1 |
Fluoride |
Na+1 |
Sodium |
Cl-1 |
Chloride |
K+1 |
Potassium |
Br-1 |
Bromide |
Cs+1 |
Cesium |
I-1 |
Iodine |
Ag+ |
Silver |
O-2 |
Oxide |
Mg+2 |
Magnesium |
S-2 |
Sulfide |
Ca+2 |
Calcium |
Se-2 |
Selenide |
Ba+2 |
Barium |
Te-2 |
Telluride |
Zn+2 |
Zinc |
N-3 |
Nitride |
Be+2 |
Beryllium |
P-3 |
Phosphide |
Cd+2 |
Cadmium |
C-4 |
Carbide |
Sr2 |
Strontium |
Po-2 |
Polonide |
B+3 |
Boron |
As-3 |
Arsenide |
Al+3 |
Aluminum |
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Ga+3 |
Gallium |
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Pm+3 |
Prometheum |
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C+4 |
Carbon |
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Zr+4 |
Zirconium |
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Si+4 |
Silicon |
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Type II Cations |
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Symbol |
Name |
Symbol |
Name |
Symbol |
Name |
Am+2 |
Americum (II) |
Am+3 |
Americum (III) |
Am+4 |
Americum (IV) |
As+3 |
Arsenic (III) |
As+5 |
Arsenic (IV) |
Au+1 |
Gold (I) |
Au+3 |
Gold (III) |
Bi+3 |
Bismuth (III) |
Bi+5 |
Bismuth (IV) |
Co+2 |
Cobalt (II) |
Co+3 |
Cobalt (III) |
Cr+2 |
Chromium (II) |
Cr+3 |
Chromium (III) |
Cr+6 |
Chromium (VI) |
Cu+1 |
Copper (I) |
Cu+2 |
Copper (II) |
Fe+2 |
Iron (II) |
Fe+3 |
Iron (III) |
Hg+1 |
Mercury (I) |
Hg+2 |
Mercury (II) |
Ir+3 |
Iridium (III) |
Ir+4 |
Iridium (IV) |
Ir+5 |
Iridium (V) |
Mn+2 |
Manganese (II) |
Mn+4 |
Manganese (IV) |
Mn+6 |
Manganese (VI) |
Ni+2 |
Nickel (II) |
Ni+3 |
Nickel (III) |
No+2 |
Nobelium (II) |
No+3 |
Nobelium (III) |
Pb+2 |
Lead (II) |
Pb+4 |
Lead (IV) |
Sb+3 |
Antimony (III) |
Sb+5 |
Antimony (V) |
Sn+2 |
Tin (II) |
Sn+4 |
Tin (IV) |
Ti+3 |
Titanium (III) |
Ti+4 |
Titanium (IV) |
W+2 |
Tungsten (II) |
W+4 |
Tungsten (IV) |
W+6 |
Tungsten (VI) |
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Polyatomic Ions |
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Positive
Ions |
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Symbol |
Ion Name |
Symbol |
Ion Name |
Symbol |
Ion Name |
NH4+1 |
Ammonium |
NpO2+1 |
Neptunyl (V) |
UO2+1 |
Uranyl (V) |
VO2+1 |
Vanadyl (V) |
Hg2+2 |
Mercury (I) |
PuO2+2 |
Plutonyl (VI) |
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Negative
Ions |
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Symbol |
Ion Name |
Symbol |
Ion Name |
Symbol |
Ion Name |
C2H3COO-1 |
Acetate |
NH2-1 |
Amide |
BrO3-1 |
Bromate |
ClO3-1 |
Chlorate |
CN-1 |
Cyanide |
OH-1 |
Hydroxide |
ClO-1 |
Hypochlorite |
NO2-1 |
Nitrite |
NO3-1 |
Nitrate |
ClO4-1 |
Perchlorate |
MnO4-1 |
Permanganate |
SCN-1 |
Thiocyanate |
VO3-1 |
Vanadate |
HSO4-1 |
Hydrogen Sulfate |
H2PO4-1 |
Dihydrogen Phosphate |
ClO2-1 |
Chlorite |
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CO3-2 |
Carbonate |
CrO2-2 |
Chromate |
Cr2O7-2 |
Dichromate |
HCO3-2 |
Hydrogen Carbonate (bicarbonate) |
HPO4-2 |
Hydrogen Phosphate |
O2-2 |
Peroxide |
HPO3-2 |
Phosphite |
SiO2-2 |
Silicate |
SeO4-2 |
Selenate |
SO4-2 |
Sulfate |
SO3-2 |
Sulfite |
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AsO4-3 |
Arsenate |
BO3-3 |
Borate |
C6H5O7-3 |
Citrate |
PO4-3 |
Phosphate |
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SiO4-4 |
Orthosilicate |
P2O7-4 |
Diphosphate |
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