chemistry 2

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covalent bonding 

When non metal atoms share pairs of electrons, they form covalent bonds. These bonds between atoms are strong. The shared electrons aim to fill the outer shell. 

  • Non metals
  • H-H
  • strong 
  • to become stable 

molecular- water- doesnt conduct elecricity as there are no free electrons- low melting point as no bonds need to be broken. 

Ionic bonding 

When atoms form chemical bonds by transferring electrons, they form ions. Atoms that lose electrons become


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