Ionic bonding

• Bonding substances

  Generally with a metal and a non metal
• metals

  metals lose electrons in their outer shells and become positively charged
• non - metals

  non - metals gain electrons in their outer shell and become negatively charged
• Structure

  Giant ionic lattice, the oppositely charged ions are held together by strong electrostatic forces of attraction that act in all directions
• properties

  higher melting and boiling points because ionic lattices have many strong bonds so a large amount of energy is required to break them. Do not conduct electricity unless molten or dissolved in water because electrons must be free so charge is free to move.