Anion
Cation
Formula
Na
Ag
K'
Ca2+
Hg²+
Cu²+
Ba2+
A123+
Be+
Cu¹2
Na
Li*
NH
Anion
CI
S2
0²
SO,2
CO,2
CI
I'
SO42-
OH2-
0-²
OH
CI
CO₂2
Formula
NaCl
AgS2
KO2
Ca2(SO)2
Hg2(CO3)2
Cu2CI
Ba21
Al₂(SO4)3
Be(OH)₂
Cu20
NaOH
LICI
(NH4)2CO3
I
4