Well, these guys claim to be selling monoatomic palladium, so it appears so:
http://www.blueemeraldalchemy.com/palladium.html
It’s a noble metal, like gold, so I’d imagine if they can make monoatomic gold, they can use a similar process for palladium.
Now, about those nickel-copper meteorites with the traces of palladium ~ wonder what they were before they slagged out.
What an utterly intriguing combo for a meteorite.