Chemistry : Radicals & Chemical Symbols

	apid	Just what you need to know!
	eview

What is a Radical?

A radical is a group of atoms of elements, e.g., chromate radical [CrO₄]. Some radicals and their chemical symbols are listed below.

Valency	Radical	Symbol	Ion
Monovalent [1]	Hypochlorite	ClO	ClO^1-
	Chlorite	ClO₂	ClO₂^1-
	Chlorate	ClO₃	ClO₃^1-
	Perchlorate	ClO₄	ClO₄^1-
	Hypobromite	BrO	BrO^1-
	Bromite	BrO₂	BrO₂^1-
	Bromate	BrO₃	BrO₃^1-
	Perbromate	BrO₄	BrO₄^1-
	Hypoiodite	IO	IO^1-
	Iodite	IO₂	IO₂^1-
	Iodate	IO₃	IO₃^1-
	Periodate	IO₄	IO₄^1-
	Hydroxide	OH	OH^1-
	Nitrite	NO₂	NO₂^1-
	Nitrate	NO₃	NO₃^1-
	Bicarbonate [Hydrogen carbonate]	HCO₃	HCO₃^1-
	Bisulfite [Hydrogen sulfite]	HSO₃	HSO₃^1-
	Bisulfate [Hydrogen sulfate]	HSO₄	HSO₄^1-
	Dihydrogen phosphate	H₂PO₄	H₂PO₄^1-
	Cyanide	CN	CN^1-
	Cyanate	CNO	CNO^1-
	Thiocyanate	SCN	SCN^1-
	Permanganate	MnO₄	MnO₄^1-
	Acetate	C₂H₃O₂	C₂H₃O₂^1-
Divalent [2]	Peroxide	O₂	O₂^2-
	Carbonate	CO₃	CO₃^2-
	Sulfite	SO₃	SO₃^2-
	Sulfate	SO₄	SO₄^2-
	Thiosulfate	S₂O₃	S₂O₃^2-
	Biphosphate [Hydrogen phosphate]	HPO₄	HPO₄^2-
	Chromate	CrO₄	CrO₄^2-
	Dichromate	Cr₂O₇	Cr₂O₇^2-
	Oxalate	C₂O₄	C₂O₄^2-
Trivalent [3]	Phosphite	PO₃	PO₃^3-
Trivalent [3]	Phosphate	PO₄	PO₄^3-

Chemistry Quiz Activities
Chemical Symbols for Radicals

Chemistry Quiz Activities
Elements with Positive Valencies