Soluble and Insoluble Compounds

Group 1A Cations

Li+, Na+, K+, Rb+, Cs+

Ammonium Ion NH4 (+)

Soluble

Halides Cl-, Br-, I-

Soluble
Insoluble with Ag+, Hg2 (2+), Pb (2+)

Nitrate NO3 (-)

Soluble

Perchlorate ClO4 (-)

Soluble

Acetate CH3CO2 (-)

Soluble

Sulfate SO4 (2-)

Soluble
Insoluble with Sr, Ba, Hg2 (2+), Pb (2+)

Carbonate CO3 (2-)

Insoluble
soluble with Group 1A Cations & NH4 (+)

Sulfide S (2-)

Insoluble
soluble with Group 1A cations NH4(+), Ca, Sr, & Ba

Phosphate PO4 (3-)

Insoluble

soluble with Group 1A cations, NH4 (+)

Hydroxide OH (-)

Insoluble
Soluble with Group 1A Cations, NH4 (+), Ca, Sr, Ba