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THE PERIODIC TABLE - Coggle Diagram

- - - - harder than Alkali metals
      - silvery grey
      - tarnish quickly
      - good conductors of electricity and heat
  - - - group 0 or 8
      - unreactive
      - monatomic
      - colorless
      - have many uses
  - - - good conductors of electricity and heat
      - soft metals with low densities
      - shiny surfaces
      - low melting points
  - - - dark colors
      - gradual from gas to liquid
      - form molecular compounds
  - - - harder and stronger and have higher densities
        than metals in group 1 &2
      - high melting points
      - less reactive metals
      - good conductors of electricity