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Ununseptium (Undiscovered Yet)
Chemical Properties & Compounds
| Symbol | Atomic Number | Atomic Weight | Melting Point | Boiling Point | Phase | Density | Classification |
| Uus | 117 | ? 310 | Unknown | Unknown | ? Solid | Unknown | ? Metal ?  |
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| General |
| Name, Symbol, Number |
ununseptium, Uus, 117 |
| Chemical series |
presumably halogens |
| Group, Period, Block |
17, 7, p |
| Appearance |
unknown,
probably dark metallic |
| Standard atomic weight |
predicted, (310) g·mol−1 |
| Electron configuration |
perhaps [Rn] 5f14 6d10 7s2 7p5
(guess based on astatine) |
| Electrons per shell |
2, 8, 18, 32, 32, 18, 7 |
| Phase |
presumably a solid |
| CAS registry number |
87658-56-8 |
| Selected isotopes |
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| References |
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Ununseptium Compounds
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Source: Wikipedia article Ununseptium
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Chemistry Quick Facts