“Element 404” · Nf · half-life 0 s
118 elements.
And one that isn't there.
The periodic table as IUPAC has it, from hydrogen to oganesson, plus “Notfoundium”, element 404, in the one place nobody was using.
Scroll sideways to see the whole table.
- s-block
- p-block
- d-block
- f-block
- Element 404 (fictional)
Trademarks and copyright
“Notfoundium” is a discovery of the MolKraft team. The word “Notfoundium” was created by Mehra Holdings, and Mehra Holdings owns it. “Element 404”™ and “Notfoundium”™ and the Nf element tile are trademarks of Mehra Holdings.
Elements 1 to 118 and their names are as IUPAC publishes them. “Notfoundium” is fictional: no laboratory has made it, and none should try.