Moscovium, Tennessine, Oganesson Added to Periodic Table March 2, 2017
The elements Moscovium, Tennessine, and Oganesson are officially added to the periodic table at a conference in Moscow, Russia. Date: March 2, 2017 Read more on Wikipedia → 📅 Other events on March 2 📅 Events on this day in 2017 📅 On This Day (Today)