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Chemistry : Radicals with Negative Valencies - Advanced


Is each element / radical below monovalent (valency = 1), divalent (valency = 2) or trivalent (valency = 3)?

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1.

 Iodate (IO3)

  monovalent

  divalent

  trivalent

  Half-n-half Clue 		 

2.

 Dichromate (Cr2O7)

  monovalent

  divalent

  trivalent

  Half-n-half Clue 		 

3.

 Perbromate (BrO4)

  monovalent

  divalent

  trivalent

  Half-n-half Clue 		 

4.

 Cyanide (CN)

  monovalent

  divalent

  trivalent

  Half-n-half Clue 		 

5.

 Periodate (IO4)

  monovalent

  divalent

  trivalent

  Half-n-half Clue 		 

6.

 Bromite (BrO2)

  monovalent

  divalent

  trivalent

  Half-n-half Clue 		 

7.

 Monohydrogen phosphate (HPO4)

  monovalent

  divalent

  trivalent

  Half-n-half Clue 		 


 
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