system
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human
Could Carbon-group elements like Silicon and Tin form complex chains just like Carbon? (i.e. Hydrocarbons)

I know about how Carbon can form long chains with other Carbons and Hydrogen to form Hydrocarbons.    
Can other carbon group elements do this as well?     
Can Silicon, for example, form long chains in a similar fashion to Carbon?
gpt
Silanes are the direct analogue of alkanes, with silicon replacing carbon. They are less stable than alkanes though, especially as the chain gets longer.

Silicon can form many polymers, but the most common ones have oxygen in the chain - those are known as silicones.

Polysilanes are like the silanes except longer and with organic side groups. And those have a tin analogue, the polystannanes.