February 25th: Riddle #1

Guess the element!

Resource: dreamstime.com

I am an expert secret agent:

I can cut, burn and be emotionally inert.

Sometimes, though, the situation takes a turn for the worse,

So I simply slip away.

Known as the “King of Elements”,

I can build chains or form giant ordered structures of molecules.

I am found in (almost) every human industry and in humans too.

What am I?

[Click to view answer here]