Question

what do you understand by the term metal? why is aluminium an important metal?

Answer 1

Bonjour!!

Metals are the elements or compounds with valency 1, 2 or 3.

Aluminum doesn't easily corrode so it is used for many purposes and thus is important.

Answer 2

metal is a material which conduct electricity and heat and they are lustrous
,malleable and ductile
aluminium,stronger than steel lighter than steel