Yeah I think there were some folks who thought about splitting the atom right? I forget who.

Anyway, now I am become wealth, buyer of worlds.

What do you mean "no one". There is a wikihow guide on this: https://www.wikihow.com/Make-Gold-from-Mercury

Step two is fiddly

This was the idea by alchemy. They thought you could change one element into another. Lead to gold and so forth, but not so easy in medieval Europe

Step 2 is expensive :( tweezers ain't cheap!

Yeah but it would cost more and take an exorbitant amount of time (like billions of years) to produce anything of value, let alone profit.

They have they all died tho cos it makes hydrogen gas and the die and suffocate please like to spread awareness