how huckel rule help to deside the aromatic character of a compound?

Question

abb0t · Answer

I believe it said that if a cyclic, planar molecule had: 4n+2$\pi$e$^-$ than it was considered aromatic. 
So, obvi, you start by counting the # of $\pi$ e$^-$ in the molecule or whatever it is you're using to test. Then, set that # = 4n+2 and solve for $\sf \color{red}{n}$. If its 0 or any positive integer, then teh rule has been met. 

For instance, benzene has 6, so 4n+2 = 6, solving for, $n$, you get $\sf \color{orange}{1}$. Which is a positive integer value, and hencforth benzene is aromatic by hückels rule.