# What properties of carbon explain carbon's ability to form different large and complex structures?

Sep 11, 2016

$1.$ The ability of carbon to catenate, i.e. to form long carbon chains;
$2.$ The ability......
$2.$ The ability of carbon to form bonds to heteroelements ($i . e . X , N , O , S$) along the chain, and thus give various regions of different reactivity and functionality.