Common examples
(Slightly more) Common
examples
Potpourri I
Potpourri II
Potpourri III
100
Dinitrogen tetroxide
What is N2O4
100
Hydrogen
What is H2
100
Fe2+
What is Iron(II) (ferrous) ion
100
Nitrous acid
What is HNO2
100
Oxalate ion
What is C2O4 2–
200
NO2
What is Nitrogen dioxide
200
O2
What is Oxygen
200
Permanganate ion
What is MnO4–
200
Nitric acid
What is HNO3
200
CHO2–
What is Formate ion
300
Ammonia
What is NH3
300
Ozone
What is O3
300
Nickel(III) (nickelic) ion
What is Ni3+
300
Calcium ion
What is Ca2+
300
TiO4 4-
What is Titanate ion
400
Hydrogen chloride
What is HCl
400
Chlorine
What is Cl2
400
Dichromate ion
What is Cr2O7 2–
400
Rubidium ion
What is Rb+
400
HCO3–
What is Hydrogen carbonate (bicarbonate) ion
500
Dihydrogen Monoxide
What is H2O
500
Carbon tetrachloride
What is CCl4
500
S2O3 2-
What is Thiosulfate ion
500
(Di)Chromic acid
What is H2Cr2O7
500
Dihydrogen phosphate (biphosphate) ion
What is H2PO4–
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