Periodic Table

Periodic Table

1. divied into 3 categories:

   • Metals:
     • Good conductors of heat, malleable, ductile, shiny, few electrons in outer energy level.
   • Nonmetals:
     • Poor conductors of heat, not malleable or ductile or shiny, almost complete set of electrons in outer energy level.
   • Metalloids:
     • Also called semiconductors have properties of both.

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