Chemical Ion Formula Chart
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1Ion Formula Chart
+1
+2
+3
+
2+
3+
Ammonium, NH
Barium, Ba
Aluminum, Al
4
+
2+
3+
Copper (I) Cu
Beryllium, Be
Chromium (III), Cr
+
2+
Gold Au
Cadmium, Cd
Gallium, Ga3+
+
2+
3+
Hydrogen, H
Calcium, Ca
Gold (III), Au
+
2+
3+
Lithium, Li
Chromium (II), Cr
Iron (III), Fe
+
2+
Potassium, K
Cobalt (II), Co
+4
+
2+
4+
Silver, Ag
Copper (II), Cu
Lead (IV), Pb
+
2+
4+
Sodium, Na
Iron (II), Fe
Tin (IV), Sn
2+
Lead (II), Pb
2+
Magnesium, Mg
2+
Mercury (II), Hg
2+
Nickel, Ni
2+
Strontium, Sr
2+
Tin (II), Sb
2+
Zinc, Zn
1-
2-
3-
-
2-
3-
Acetate, C
H
O
Carbonate, CO
Borate, BO
2
3
2
3
-
2-
3-
Bromate, BrO
Chromate, CrO
Nitride, N
3
4
-
2-
3-
Bromide, Br
Dichromate, Cr
O
Phosphate, PO
2
7
4
-
2-
3-
Chlorate, ClO
Hydrogen phosphate, HPO
Phosphide, P
3
4
-
2-
Chloride, Cl
Oxide, O
-
2-
Chlorite, ClO
Oxalate, C
O
2
2
4
-
2-
Cyanide, CN
Peroxide, O
2
-
2-
Dihydrogen Phosphate, H
PO
Selenide, Se
2
4
-
2-
Fluoride, F
Sulfate, SO
4
-
2-
Hydrogen carbonate (bicarbonate) HCO
Sulfide, S
3
-
2-
Hydrogen sulfate, HSO
Sulfite, SO
4
3
-
2-
Hydroxide, OH
Tartrate, C
H
O
4
4
6
-
2-
Iodide, I
Telluride, Te
-
2-
Nitrate, NO
Thiosulfate, S
O
3
2
3
-
Nitrite, NO
2
-
Permanganate, MnO
4
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