2. For more help contact me
Muhammad Umair Bukhari
Engr.umair.bukhari@gmail.com
www.bzuiam.webs.com
03136050151
3. Introduction
Rare and expensive a century ago,
aluminium has since been identified as
the most common metal on earth,
forming about eight percent of the
earth's crust.
It is the third most plentiful element
known to man. Only oxygen and silicon
(sand) exist in greater quantities.
Atomic no -13
White silver color.