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Ammonium
NH4+
Hydrogen
H+
Silver
Ag+
Calcium
Ca2+
Aluminum
Al3+
Lithium
Li+
Sodium
Na+
Potassium
K+
Rubidium
Rb+
Cesium
Cs+
Beryllium
Be2+
Strontium
Sr2+
Barium
Ba2+
Magnesium
Mg2+
Boron
B3+
Carbon
C4+−
Silicon
Si4+−
Nitrogen
N3−
Phosphorus
P3−
Oxygen
O2−
Sulfur
S2−
Fluorine
F−
Chlorine
Cl−
Bromine
Br−
Iodine
I−