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"ammonium"
"+1"
"nitrite"
"-1"
"nitrate"
"-1"
"sulfite"
"-2"
"sulfate"
"-2"
"hydrogen sulfate (bisulfate)"
"-1"
"thiosulfate"
"-2"
"oxalate"
"-2"
"hydroxide"
"-1"
"phosphite"
"-3"
"phosphate"
"-3"
"hydrogen phosphate"
"-2"
"dihydrogen phosphate"
"-1"
"perchlorate"
"-1"
"chlorate"
"-1"
"chlorite"
"-1"
"hypochlorite"
"-1"
"bromate"
"-1"
"iodate"
"-1"
"acetate"
"-1"
"carbonate"
"-2"
"hydrogen carbonate (bicarbonate)"
"-1"
"chromate"
"-2"
"dichromate"
"-2"
"permanganate"
"-1"
"peroxide"
"-2"
"cyanide"
"-1"
"cyanate"
"-1"
"thiocyanate"
"-1"
"copper
"+2" “+1”
"iron
"+2" “+3”
"lead
"+4" “+2”
"tin
"+4" “+2”
Chromium
+6 +2 +3