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Og
Oganesson
Z
118
295.0 g/mol
Noble Gas
Radioactive
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Discovered
293
Og
175
293.2134
198,800.0
---
1.0 ms
---
α
→
289
Lv
2010
294
Og
176
294.214
199,320.0
---
700.0 µs
0+
α
→
290
Lv
(100%)
SF
2004
295
Og
177
295.2162
201,370.0
---
680.0 ms
---
α
→
291
Lv
(100%)
2006
117
Ts
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