Thursday, 16 May 2013

1.30 recall the charges of common ions in this specification

Common ions

There are loads, mainly positive but also negative ions too.

Positive ions....

  • Lithium-Li+
  • Sodium- Na+
  • Potassium- K+
  • Silver-Ag+
  • Copper (I)-Cu+
  • Ammonium-NH+
  • Magnesium-Mg ²+
  • Calcium- Ca ²+ 
  • Barium- Ba²+ 
  • Zinc- Zn ²+
  • Copper (II)-Cu ²+
  • Lead (II)- Pb²+
  • Iron (II)-Fe²+
  • Aluminum- Al  3+
  • Chromium (III) 3+
  • Lead (IV) 4+
  • Maganase (IV)4+
Negative ions

  • Fluoride - Fl-
  • Chloride- Cl-
  • Bromide- Br-
  • Iodide- I-
  • Hydroxide- OH-
  • Nitrate- NO3-
  • Oxide- O²-
  • Sulfide- S²-
  • Sulfate-SO4²-
  • Carbonate CO₃  ²-

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