Common Ions Quiz

Enter the Formula and Charge.

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Last updated: April 19, 2026

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First submitted	April 18, 2026
Times taken	6
Average score	73.3%
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Word	Formula
Lithium	Li+
Fluoride	F-
Chloride	Cl-
Bromide	Br-
Iodide	I-
Hydroxide	OH-
Nitrate	NO3-
Nitrite	NO2-
Hydrogen-carbonate	HCO3-
Manganate (VII)	MnO4-
Oxide	O2-
Sulphide	S2-
Carbonate	CO3 2-
Sulphate	SO4 2-
Sulphite	SO3 2-
Dichromate (VI)	Cr2O7 2-
Sodium	Na+
Potassium	K+
Copper (I)	Cu+
Hydrogen	H+
Ammonium	NH4+
Silver	Ag+
Magnesium	Mg 2+
Barium	Ba 2+
Calcium	Ca 2+
Iron (II)	Fe 2+
Zinc	Zn 2+
Lead	Pb 2+
Aluminium	Al 3+
Chromium	Cr 3+

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