Alkali metals (Periodic table) Chemistry

• Li 3


  Lithium 6.94 (Alkali metals)
• Na 11


  Sodium 22.99 (Alkali metals)
• K 19


  Potassium 39.098 (Alkali metals)
• Rb 37


  Rubidium 85.468 (Alkali metals)
• Cs 55


  Caesium 132.91 (Alkali metals)
• Fr 87


  Francium 223 (Alkali metals)