New elements on the periodic table are named Since Phelps was part of a team at Oak Ridge National Laboratory and other institutions in Tennessee laid the groundwork for discovery, Element 117 was ...

Phelps contributed to the discovery that filled in square 117 on the periodic table, creating tennesine (Ts), the second-heaviest known element on Earth.

How the first Black woman to help discover an element ‘claimed a seat at the periodic table’ By Charli Leevongcharoen , CNN 6 minute read ...