–(a) How does the
density of the Group I elements change down the Group? [2]
–(b) Suggest a value
for the boiling point of rubidium.
[1]
–(c) Suggest a value
for the radius of a caesium atom. [1]
–(d) Use the
information in the table to suggest how fast lithium reacts with water compared with the other Group I metals. [1]
–
–
–(e) State three
properties shown by all metals. [3]