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Periodic Table (Alkali Metals (1 Valence Electron, Very Reactive, Low…

- - - - Silvery-white
      - low densities
      - low melting point
      - low boiling point
      - Shiny
- - - - Ionic and atomic radii also increase as you go down the table.
        
        electronegativity and ionization energy decrease.
- - - - Melting and Boiling Points (increases down the group)
      - Atomic Radius (increases down the group)
      - Ionization Energy (decreases down the group)
      - Electronegativity (decreases down the group)
      - Electron Affinity (decreases down the group)
      - Reactivity of Elements (decreases down the group)
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