Skip to main content

ununennium

Pronounced: /ˌju nəˈnɛniəm/
A temporary systematic name for the hypothetical chemical element with the atomic number 119 and the symbol Uue, assigned by IUPAC. Ununennium is expected to be the first element in the eighth period of the periodic table and a member of the alkali metal group. Its properties have not been observed and are currently predicted only through theoretical models. If discovered and confirmed, it will receive a permanent name.
Scientists continue to theorize about the potential chemical behavior of ununennium.
• If ununennium is successfully synthesized, it will extend the periodic table into a new period.
by University of Minnesota May 21, 2025
mugGet the ununennium mug.

ununennium

Pronounced: /ˌju nəˈnɛniəm/
A temporary systematic name for the hypothetical chemical element with the atomic number 119 and the symbol Uue, assigned by IUPAC. Ununennium is expected to be the first element in the eighth period of the periodic table and a member of the alkali metal group. Its properties have not been observed and are currently predicted only through theoretical models. If discovered and confirmed, it will receive a permanent name.
Scientists continue to theorize about the potential chemical behavior of ununennium.
• If ununennium is successfully synthesized, it will extend the periodic table into a new period.
by University of Minnesota May 21, 2025
mugGet the ununennium mug.
Related Words

unennium

It meansOkay.” K or OK
like potassium.
Kid 1: Bruh I just learned blacks are real!
Kid 2: Unennium.
by Cringy7yearold September 3, 2019
mugGet the unennium mug.

Unununium

Long ass element that no one gives a dump about. Goes along with Ununquadium, another useless element.
Guy 1: "Hey, do you know about unununium???"
Guy 2: "Nope, cause i don't give a dump about it!"
by LfEd2011 October 27, 2009
mugGet the Unununium mug.

Ununpentium

The old name for Moscovium, the 115th element of the periodic table. Its symbol was Uup. Its name was probably made up from latin word for one, and the greek word for five (I think, I may be wrong.)
Ununpentium was changed to Moscovium.
by really bored guy August 11, 2025
mugGet the Ununpentium mug.

Share this definition

Sign in to vote

We'll email you a link to sign in instantly.

Or

Check your email

We sent a link to

Open your email