Polyatomic Ions

Type in the correct ion

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Last updated: October 19, 2022

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First submitted	October 17, 2022
Times taken	72
Average score	46.2%
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Hint	Answer
dihydrogen phosphate	H2PO4-1
silicate	SiO3-2
thiosulfate	S2O3-2
selenate	SeO4-2
ammonium	NH4+1
sulfite	SO3-2
acetate	C2H3O2-1
arsenate	AsO4-3
nitrite	NO2-1
perchlorate	ClO4-1
bromate	BrO3-1
iodate	IO3-1
bisulfate	HSO4-1

Hint	Answer
nitrate	NO3-1
borate	BO3-3
hypochlorite	ClO-1
perbromate	BrO4-1
oxalate	C2O4-2
thiocyanate	SCN-1
hydroxide	OH-1
chromate	CrO4-2
sulfate	SO4-2
dichromate	Cr2O7-2
chlorite	ClO2-1
cyanide	CN-1
peroxide	O2-2

Hint	Answer
bicarbonate	HCO3-1
carbonate	CO3-2
phosphite	PO3-3
phosphate	PO4-3
permanganate	MnO4-1
chlorate	ClO3-1
Cadmium	Cd+2
Silver	Ag+1
Zinc	Zn+2
Copper(I)	Cu+1
Copper(II)	Cu+2
Lead(II)	Pb+2
Lead(IV)	Pb+4

Level 64

Dec 22, 2022

Isn't thiosulfate S2O4?

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