Chem 11100 - Charges & Soluability

Charge of Group 1 Elements (Li, Na, K, Rb, Cs, Fr)

+1

Charge of Group 2 Elements (Be, Mg, Ca, Sr, Ba, Ra)

+2

Charge of Chromium (Cr)

+3 or +6

Charge of Manganese (Mn)

+2

Charge for Iron (Fe)

+2 or +3

Charge for Cobalt (Co)

+2

Charge for Nickel (Ni)

+2

Charge for Copper (Cu)

+1 or +2

Charge for Zinc (Zn)

+2

Charge for Silver (Ag)

+1

Charge for Cadmium (Cd)

+2

Charge for Platinum (Pt)

+2

Charge for Gold (Au)

+1 or +3

Charge for Mercury (Hg)

+2

Charge for Carbon (C)

-4

Charge for Nitrogen (N)

-3

Charge for Oxygen (O)

-2

Charge for Fluorine (F)

-1

Charge for Aluminum (Al)

+3

Charge for Phosphorus (P)

3-

Charge for Sulfur (S)

-2

Charge for Chlorine (Cl)

-1

Charge for Arsenic (As)

-3

Charge for Selenium (Se)

-2

Charge for Bromine (Br)

-1

Charge for Tellurium (Te)

-2

Charge for Iodine (I)

-1

Charge for Lead (Pb)

+2 or +4

Ammonium

NH4+

Nitrite

NO2-

Nitrate

NO3-

Sulfite

SO3(2-)

Sulfate

SO4(2-)

Hydroxide

OH-

Cyanide

CN-

Phosphate

PO4(-3)

Carbonate

CO3(-2)

Hypochlorite

ClO- or OCl-

Chlorite

ClO2-

Chlorate

ClO3-

Perchlorate

ClO4-

Acetate

C2H3O2-

Permanganate

MnO4-

Dichromate

Cr2O7(-2)

Chromate

CrO4(-2)

Ammonium (NH4+) Solubility

Always Soluble

Carbonate (CO3(-2)) Solubility

not soluble unless combined with Group 1 ions or ammonium (NH4-)

Acetate

Always Soluble

Hydroxide (OH-) Solubility

not soluable unless combined with Group 1 ions, Ca+2, Mg+2, Sr+2 or ammonium (NH4-)

Nitrate (NO3-) Solubility

Always Soluble

Halides (Cl-, Br-, I-)

Soluble except when combined with Ag+, Pb+2, and Hg2(+2)

Sulfates (SO4(-2)) Solubility

Soluble except with Ag+, Ca+2, Sr+2, Ba+2, or Pb+2

Hydrogen Carbonate (HCO3-) Solubility

Always Soluble

Chromate (CrO4(-2)) Solubility

not soluable unless combined with Group 1 ions, Ca+2, Mg+2, or ammonium (NH4-)

Group 1 Solubility

Always Soluble

Phosphate (PO4(-3)) Solubility

not soluble unless unless combined with Group 1 ions or ammonium (NH4-)