Tell me about alkali metals?

Question: Tell me about alkali metals?
- Keywords:
  alkali,
  metal,
  metal, alkali
Asked by alec to Alessandro, Angela, Claudia, Marina, Phil on 12 Mar 2013.
- Phillip Wilkinson answered on 12 Mar 2013:
  
  Alkali metals are a group of metals that share similar properties. These metals are soft, shiny and very reactive!
  
  So much so that they will usually react very violently with water! -> http://www.youtube.com/watch?v=m55kgyApYrY

Question: Tell me about alkali metals?