Question

How many valence electrons does aluminum (Al) have available for bonding?

Answer 1

aluminium has three electrons in it's valence shell

reason is:

the atomic number of aluminium is 13

so In k shell it has 2 electrons

L shell - 8 electrons ( rule : in k shell maximum two electrons should be there and in L shell maximum eight electrons that is the octet rule then in shell max 18 electrons and it goes on)

M shell - 3 electrons

total 13.

IF any doubts u may ask


Thank you...

Answer 2

 3 valence electrons are available for bonding As the atomic no of Al is 13 so it's configuration becomes 2,8,3.