The periodic table and metals

The periodic table and metals

1. The periodic table

   • elemants are arranged in order of increassing atomic number
     • atomic number ; the number of prtons in the nuclus of an atom
   • The horizontal rows are called periods
   • The vertical columns are called groups
   • elements in the same group are similar to each other
   • The zig zag line seperates the metals on the left from the non metals on the right

2. Metals

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