first ion box

ammonium
NH4
+1
cesium
Cs+ 
copper(1)
Cu+
gold(1)
Au+
hydrogen
H+
lithium
Li+
potassium
K+
Rubidium
Rb+
silver
Ag+
sodium
Na+
barium
Ba+2
beryllium

Be

+2

cadmium

Cd

+2

x

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