Heaviest element
- Who
- Organesson
- Where
- Russian Federation
- When
- 2002
The newest chemical element with atomic number (Z) of 118 is oganesson, with the symbol Og. It was first synthesized in 2002 by a team of Russian and American scientists at the Joint Institute for Nuclear Research (JINR) in Dubna, Russia. In December 2015, it was recognized as one of four new elements.
The record is measured on atomic weight, Z.