Answers - Cations/ Anions

Arkansas State University
Department of Chemistry
and Physics

Answers

Cations/ Anions

Give either the name or formula (with the correct charge) for each of the cations:

Name Formula Name Formula

zinc Zn⁺² chromium(II) Cr⁺²

mercury(II) Hg⁺² hydronium H₃O⁺

ferric Fe⁺³ manganese(II) Mn⁺²

hydrogen H⁺ strontium Sr⁺²

silver Ag⁺ nitronium NO₂⁺

barium Ba⁺² stannic Sn⁺⁴

magnesium Mg⁺² mercuric Hg⁺²

chromic Cr⁺³ iron(III) Fe⁺³

copper(I) Cu⁺ calcium Ca⁺²

sodium Na⁺ lead(II) Pb⁺²

calcium Ca⁺² manganese(III) Mn⁺³

tin(II) Sn⁺² ammonium NH₄⁺

nitronium NO₂⁺ potassium K⁺

manganous Mn⁺² hydronium H₃O⁺

chromium(III) Cr⁺³ tin(IV) Sn⁺⁴

mercury(I) Hg₂⁺² ferrous Fe⁺²

strontium Sr⁺² copper(II) Cu⁺²

copper(I) Cu⁺ chromous Cr⁺²

manganic Mn⁺³ lithium Li⁺

magnesium Mg⁺² mercury(I) Hg₂⁺²

stannous Sn⁺² manganese(III) Mn⁺³

cuprous Cu⁺ iron(II) Fe⁺²

iron(III) Fe⁺³ barium Ba⁺²

hydrogen H⁺ chromium(II) Cr⁺²

potassium K⁺ iron(II) Fe⁺²

lead(II) Pb⁺² mercury(II) Hg⁺²

lithium Li⁺ cupric Cu⁺²

manganese(II) Mn⁺² mercurous Hg₂⁺²

ammonium NH₄⁺ tin(IV) Sn⁺⁴

sodium Na⁺ chromium(III) Cr⁺³

silver Ag⁺ zinc Zn⁺²

tin(II) Sn⁺² copper(II) Cu⁺²

Give either the name or formula (with the correct charge) for each of the anions:

Name Formula Name Formula

hypobromite OBr^- phosphate PO₄^3-

fluoride F^- formate HCOO^-

acetate CH₃COO^- carbonate CO₃^2-

bromide Br^- nitrite NO₂^-

bromate BrO₃^- amide NH₂^-

formate HCOO^- sulfate SO₄^2-

dichromate Cr₂O₇^2- hydride H^-

chloride Cl^- iodate IO₃^-

oxalate C₂O₄^2- nitrate NO₃^-

chlorate ClO₃^- hydrogen carbonate HCO₃^-

arsenate AsO₄^3- chromate CrO₄^2-

sulfite SO₃^2- phosphate PO₄^3-

peroxide O₂^2- thiocyanate SCN^-

arsenite AsO₃^3- permanganate MnO₄^-

cyanate OCN^- hydrogen sulfate HSO₄^-

cyanide CN^- chromate CrO₄^2-

hydride H^- dihydrogen phosphate H₂PO₄^-

nitride N^3- chloride Cl^-

sulfate SO₄^2- nitrate NO₃^-

hydrogen sulfate HSO₄^- arsenite AsO₃^3-

thiosulfate S₂O₃^2- fluoride F^-

sulfite SO₃^2- bromide Br^-

hydroxide OH^- iodide I^-

thiocyanate SCN^- iodate IO₃^-

permanganate MnO₄^- sulfide S^2-

chlorite ClO₂^- oxide O^2-

hypochlorite OCl^- hypobromite OBr^-

nitride N^3- hydrogen phosphate HPO₄^2-

carbonate CO₃^2- chlorite ClO₂^-

hydrogen carbonate
or bicarbonate HCO₃^- dichromate Cr₂O₇^2-

oxalate C₂O₄^2- bromate BrO₃^-

nitrite NO₂^- sulfide S^2-

acetate CH₃COO^- perchlorate ClO₄^-

hydrogen phosphate HPO₄^2- arsenate AsO₄^3-

oxide O^2- iodide I^-

cyanide CN^- amide NH₂^-

cyanate OCN^- peroxide O₂^2-

chlorate ClO₃^- dihydrogen phosphate H₂PO₄^-

thiosulfate S₂O₃^2- hypochlorite OCl^-

hydroxide OH^- perchlorate ClO₄^-

Name	Formula	Name	Formula
zinc	Zn⁺²	chromium(II)	Cr⁺²
mercury(II)	Hg⁺²	hydronium	H₃O⁺
ferric	Fe⁺³	manganese(II)	Mn⁺²
hydrogen	H⁺	strontium	Sr⁺²
silver	Ag⁺	nitronium	NO₂⁺
barium	Ba⁺²	stannic	Sn⁺⁴
magnesium	Mg⁺²	mercuric	Hg⁺²
chromic	Cr⁺³	iron(III)	Fe⁺³
copper(I)	Cu⁺	calcium	Ca⁺²
sodium	Na⁺	lead(II)	Pb⁺²
calcium	Ca⁺²	manganese(III)	Mn⁺³
tin(II)	Sn⁺²	ammonium	NH₄⁺
nitronium	NO₂⁺	potassium	K⁺
manganous	Mn⁺²	hydronium	H₃O⁺
chromium(III)	Cr⁺³	tin(IV)	Sn⁺⁴
mercury(I)	Hg₂⁺²	ferrous	Fe⁺²
strontium	Sr⁺²	copper(II)	Cu⁺²
copper(I)	Cu⁺	chromous	Cr⁺²
manganic	Mn⁺³	lithium	Li⁺
magnesium	Mg⁺²	mercury(I)	Hg₂⁺²
stannous	Sn⁺²	manganese(III)	Mn⁺³
cuprous	Cu⁺	iron(II)	Fe⁺²
iron(III)	Fe⁺³	barium	Ba⁺²
hydrogen	H⁺	chromium(II)	Cr⁺²
potassium	K⁺	iron(II)	Fe⁺²
lead(II)	Pb⁺²	mercury(II)	Hg⁺²
lithium	Li⁺	cupric	Cu⁺²
manganese(II)	Mn⁺²	mercurous	Hg₂⁺²
ammonium	NH₄⁺	tin(IV)	Sn⁺⁴
sodium	Na⁺	chromium(III)	Cr⁺³
silver	Ag⁺	zinc	Zn⁺²
tin(II)	Sn⁺²	copper(II)	Cu⁺²