LIVERMORIUM

Introduction

Atomic Number: 116
Group: 16 or VI A
Atomic Weight: 292
Period: 7
CAS Number: 54100-71-9

Classification

Chalcogen
Halogen
Noble Gas
Lanthanoid
Actinoid
Rare Earth Element
Platinum Group Metal
Transuranium
No Stable Isotopes
Solid
Liquid
Gas
Solid (Predicted)

Description • Uses/Function

 1

Physical Properties

Density:   g/cm3

* - at 1 atm

Electron Configuration

Electron Configuration: [Rn] 7s2 5f14 6d10 7p4
Block: p
Highest Occupied Energy Level: 7
Valence Electrons: 6

Quantum Numbers:

n = 7
ℓ = 1
m = -1
ms = -½

Bonding

Isotopes

Nuclide Mass 2 Half-Life 2 Nuclear Spin 2 Binding Energy
289Lv 289.19886(117)# 10# ms 5/2+# 2,064.87 MeV
290Lv 290.19859(91)# 15(+26-6) ms 0+ 2,072.94 MeV
291Lv 291.20001(91)# 6.3(+116-25) ms 2,071.70 MeV
292Lv 292.19979(92)# 18.0(+16-6) ms 0+ 2,089.09 MeV
293Lv 61(+57-20) ms
Values marked # are not purely derived from experimental data, but at least partly from systematic trends. Spins with weak assignment arguments are enclosed in parentheses. 2

Abundance

Safety Information


Material Safety Data Sheet - ACI Alloys, Inc.

For More Information

External Links:

Sources

(1) - Lide, David R. CRC Handbook of Chemistry and Physics, 83rd ed.; CRC Press: Boca Raton, FL, 2002; p .
(2) - Lide, David R. CRC Handbook of Chemistry and Physics, 83rd ed.; CRC Press: Boca Raton, FL, 2002; pp 6:123-6:137.
(3) - Lide, David R. CRC Handbook of Chemistry and Physics, 83rd ed.; CRC Press: Boca Raton, FL, 2002; pp 6:107-6:122.
(4) - Atomic Mass Data Center. http://amdc.in2p3.fr/web/nubase_en.html (accessed July 14, 2009).