آن‌ان‌سپتیوم

Also known as Uus, eka-astatine, element 117, Ts, ununseptium

Tennessine is a synthetic element; it has symbol Ts and atomic number 117. It has the second-highest atomic number, the joint-highest atomic mass of all known elements, and is the penultimate element of the 7th period of the periodic table. It is named after the U.S. state of Tennessee, where key research institutions involved in its discovery are located (however, the IUPAC says that the element is named after the "region of Tennessee").

AI overview

Tennessine is a human-made chemical element with the symbol Ts and atomic number 117, making it one of the heaviest and most recently discovered elements on the periodic table. It was named after Tennessee, the U.S. state where important research institutions that contributed to its discovery are located.

AI-generated from the Wikipedia summary — may contain errors.