Caesium, lithium potassium and sodium are all in Group of
the Periodic Table
(a) Place these metals in order of reactivity starting with the
most reactive.
(b) All Group 1 elements react in the same manner with
water.
(i) Name the chemical products of the reaction
between caesium and water.
(ii) Write a balanced chemical equation for the
reaction of caesium with water. Include state
symbols.
(iii) What three things would you expect to see if small
pieces of caesium were dropped in water in a glass
trough?
(C) What is the other name for Group 1 elements.