Privacy and Security Notice

Jefferson Lab
Jefferson Lab HomeSearchContact JLab
Science Education
----------------------
Science Education HomeTeacher ResourcesStudent ZoneGames and PuzzlesPrograms and EventsSearch Education
It's Elemental
Previous ElementPrevious ElementTable of ElementsNext ElementNext Element
 117
Uus
Ununseptium
Unknown
Ununseptium
Atomic Number:117
Atomic Weight:Unknown
Melting Point:Unknown
Boiling Point:Unknown
Density:Unknown
Phase at Room Temperature:Expected to be a Solid
Element Classification:Unknown
Should be RadioactiveNot Yet Produced
Period Number:7Group Number:17Group Name:Halogen
What's in a name?Will hold a temporary name that means one-one-seven.
Say what?Ununseptium is pronounced as oon-oon-SEPT-i-em.
History and Uses:

Element 117 has not yet been produced.

Estimated Crustal Abundance:Not Applicable
Estimated Oceanic Abundance:Not Applicable
Number of Stable Isotopes:0(View all isotope data)
Ionization Energy:Unknown
Oxidation State:Unknown
Electron Shell Configuration:
(Unconfirmed)
1s2
2s22p6
3s23p63d10
4s24p64d104f14
5s25p65d105f14
6s26p66d10
7s27p5

This page is maintained by Steve Gagnon.

Citation and linking information