1stofDecember2020ium

1stofDecember2020ium is a hypothetical element with the atomic number 2340 and the symbol 1D2020.

Appearance
1stofDecember2020ium is a colorless solid at room temperature.

Isotopes
1stofDecember2020ium has no stable isotopes. It's most stable isotope is $4680$1D2020, which has a half life of 7 Milliseconds. The rest of the isotopes has a half life no longer than a millisecond.