Metallic Bonding

• What is metallic bonding primarily characterized by?

  Strong electrostatic attraction between metal atoms
• What role do delocalised electrons play in metallic bonding?

  They are free to move and carry charge
• Why do metals have high melting and boiling points?

  Strong metallic bonds require lots of energy to overcome
• What are the four properties of metals?

  • High melting and boiling points
  • Good thermal conductors
  • Good electrical conductors
  • Soft and malleable
• How do delocalised electrons contribute to thermal conductivity in metals?

  They transfer energy efficiently throughout the metal
• What allows metals to conduct electricity effectively?

  Delocalised electrons carry charge through the metal
• What does it mean for metals to be soft and malleable?

  Layers in metals can slide over each other easily
• What is an alloy?

  A mixture of a metal and at least one other element
• Why are alloys harder than pure metals?

  New elements distort layers of metal atoms
• What effect does the distortion of metal layers have on alloys?

  It prevents layers from sliding past each other