4 elements got finall seat in periodic table!!!

The official discovery of elements 113, 115, 117 and 118 means that all 118 elements in the periodic table’s

 

International Union of Pure and Applied Chemistry declared that a Russian-U.S. collaboration had got sufficient evidence to claim the discovery of elements 115, 117 and 118.
The discovery award of element 113 credit to scientists at RIKEN in Wako, Japan by IUPAC.
Both groups synthesized the elements by slamming lighter nuclei into each other and tracking the decay of the radioactive superheavy elements that followed.

Researchers of Nuclear Research in Dubna, Russia, and  Lawrence Livermore National Laboratory in California credited with elements 115, 117 and 118.

IUPAC executive director Lynn Soby says " Published reports on the newly recognized elements will appear in early 2016"

Official recognition of the elements means that their discoverers earn the right to suggest names and symbols. Element 113 will be the first element discovered and named by researchers in Asia.