The US-based International Union of Pure and Applied Chemistry (IUPAC), the global organization that governs chemical nomenclature, terminology and measurement, verified the elements on 30 December, 2015 after poring over studies dating back to 2004.

The US-based International Union of Pure and Applied Chemistry (IUPAC), the global organization that controls chemical names, terminology and measurement, verified the elements on 30 December, 2015 after examining studies dating back to 2004.
