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This article is about an undiscovered isotope. Once it is discovered, this article will be edited with more information.


Ununseptium-289 (289Uus)
Transactinoid
'
General
Name, symbol ununseptium-289, 289Uus
Isotope of ununseptium
Neutrons 172
Protons 117
Nuclide data
Natural abundance Synthetic
Half-life Unknown
Decay products Unknown
Isotope mass Unknown
Spin Unknown
Excess energy Unknown
Binding energy Unknown
Decay mode Unknown
Decay energy Unknown
History
Discoverer None of as yet
Location discovered None of as yet
Date discovered None of as yet

Ununseptium-289 (289
117
Uus
or 289Uus) is a hypothetical radioactive isotope of ununseptium.[1]

ProductionEdit

SynthesisEdit

It could be produced by bombarding europium-153 with xenon-136, lead-208 with bromine-81, or protactinium-231 with iron-58. No attempt has been made to synthesize this isotope by the aforementioned reactions:[1]

153
63
Eu
+ 136
54
Xe
289
117
Uus

208
82
Pb
+ 81
35
Br
289
117
Uus

231
91
Pa
+ 58
26
Fe
289
117
Uus

As a decay productEdit

Ununseptium-289 can also be obtained as a decay product of ununseptium-291 and ununseptium-293:[1]

232
90
Th
+ 59
27
Co
291
117
Uus
289
117
Uus
+ 2 1
0
n

248
96
Cm
+ 45
21
Sc
293
117
Uus
289
117
Uus
+ 4 1
0
n

See alsoEdit

ReferencesEdit


Isotopes of ununseptium
Electron shell 117 Ununseptium - no label

282Uus287Uus288Uus289Uus290Uus291Uus292Uus293Uus294Uus295Uus296Uus297Uus298Uus299Uus300Uus303Uus309Uus326Uus334Uus336Uus337Uus
See full list here
Discovered isotopes in bold

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