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Alkali metals review

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  • ___________ has 19 protons in its nucleus.
    potassium
  • alkali metals are .............they can be cut with a scalpal
    soft
  • reactivity of Group 1 metals...............as you go down the group
    increases
  • The gas released when the group 1 metals react with water.
    Hydrogen gas
  • The group 1 metals are sometimes called the ___________ metals.
    Alkali
  • The group 1 metals are stored in this substance
    Oil, because..........
  • This is the number of electrons which the group 1 metals have in their outer shells before reacting.
    one
  • Lithium...........on water, but Rubidium sinks
    Floats
  • When sodium reacts with water is forms a solution of sodium _________.
    hydroxide
  • The colour of universal indicator in water before reacting with the metal __________.
    Green
  • The metal which causes the bowl to explode when it reacts with water.
    Ceasium