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Formation of ionic compound

Atoms Molecules Ions Chemical Equations On-line practice

 

 

Ionic compounds are formed between metals and non-metals.  The metals usually form the positive ions while the non-metals form the negative ions.

Formation of sodium chloride 

In terms of electron arrangement, the sodium donates its outer electron to a chlorine atom forming a single positive sodium ion and a single negative chloride ion. The atoms have become stable ions, because electronically, sodium becomes like neon and chlorine like argon.

Sodium chloride lattice :

  Click the picture to find out more

 

Other ionic compounds :

 

ONE  combines with TWO to form

 

TWO  combine with ONE to form

 

ONE  combines with ONE to form

 

Properties of ionic compound ]