Metallic Bonding

• • Metals can bind to non-metals via  bonding, whereby particles with opposite charges are attracted to each other. 
  • Non-metals can bind to other non-metals via  bonding, whereby electrons are shared.
  • Metal atoms can bind to other metals using  bonding
• • In metallic bonding, each metal atom becomes an ion with a positive charge. 
  • It does this by giving up its outer shell electrons. 
  • These electrons are said to be 'delocalised', and are shared across all the ions in the structure
•  alloy:

  • a metal combined with one or more elements
• • Alloys tend to have a higher strength than pure metals. 
  • This is because the atoms/ions of the different elements are different sizes, which disrupts the regular layered structure and so means the layers can no longer slide over one another.