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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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Multiple choice

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1.

Permanganate (MnO4)

  monovalent

  divalent

  trivalent

  Half-n-half Clue
 

2.

Thiosulfate (S2O3)

  monovalent

  divalent

  trivalent

  Half-n-half Clue
 

3.

Peroxide (O2)

  monovalent

  divalent

  trivalent

  Half-n-half Clue
 

4.

Dichromate (Cr2O7)

  monovalent

  divalent

  trivalent

  Half-n-half Clue
 

5.

Hypobromite (BrO)

  monovalent

  divalent

  trivalent

  Half-n-half Clue
 

6.

Perchlorate (ClO4)

  monovalent

  divalent

  trivalent

  Half-n-half Clue
 

7.

Hypoiodite (IO)

  monovalent

  divalent

  trivalent

  Half-n-half Clue
 


 
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