Common Ions Flashcards with Answers

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Monatomic Anions

 

(Single-atom Negatively-charged Ions)

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Bromide
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Br -
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Chloride
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Cl -
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Fluoride
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F -
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Hydride
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H -
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Iodide
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I -
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Nitride
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N -3
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Oxide
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O -2
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Sulfide
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-2
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Polyatomic Anions

 

(Multi-atom Negatively-charged Ions)

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Acetate
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C2H3O2 -
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Amide
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NH2 -
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Arsenate
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AsO4 -3
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Arsenite
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AsO3 -3
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Bromate
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BrO3 -
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Carbonate
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CO3 -2
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Bicarbonate
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HCO3 -
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Chlorate
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ClO3 -
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Chlorite
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ClO2 -
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Chromate
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CrO4 -2
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Cyanide
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CN -
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Cyanate
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OCN -
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Dichromate
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Cr2O7 -2
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Formate
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HCOO -
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Hydroxide
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OH -
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Hypobromite
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OBr -
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Hypochlorite
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OCl -
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Iodate
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IO3 -
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Nitrate
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NO3 -
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Nitrite
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NO2 -
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Oxalate
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C2O4 -2
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Perchlorate
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ClO4 -
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Permanganate
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MnO4 -
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Peroxide
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O2 -2

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Phosphate
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PO4 -3

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Hydrogen phosphate
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HPO4 -2

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Dihydrgoen phosphate
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H2PO4 -

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Sulfate
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SO4 -2

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Hydrogen sulfate
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HSO4 -

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Monatomic Cations

 

(Single-atom Positively-charged Ions)

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Aluminum 
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Al +3

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Barium 
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Ba +2

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Calcium 
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Ca +2

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Chromium(III) or Chromic 
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Cr +3

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Chromium(II) or Chromous 
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Cr +2

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Copper(II) or Cupric 
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Cu +2

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Copper(I) or Cuprous
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Cu +

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Hydrogen 
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H +

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Iron(III) or Ferric 
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Fe +3

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Iron(II) or Ferrous 
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Fe +2

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Lead 
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Pb +2

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Lithium 
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Li +

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Magnesium 
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Mg +2

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Maganese(II) or Manganous 
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Mn +2

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Maganese(III) or Manganic 
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Mn +3

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Mercury(II) or Mercuric 
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Hg +2

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Potassium
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K +

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Silver 
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Ag +

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Sodium 
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Na +

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Strontium 
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Sr +2

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Tin(IV) or Stannic
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Sn +4
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Tin(II) or Stannous 
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Sn +2

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Zinc
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Zn +2

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Polyatomic Cations

 

(Multi-atom Positively-charged Ions)

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Ammonium 
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NH4 +

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Hydronium 
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H3O +

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Mercury(I) or Mercurous 
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Hg2 +2

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Nitronium
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NO2 +

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