117
Uus
Ununseptium
(290) | 2
8
18
32
32
18
7
|
117
Uus
Ununseptium
(290) | 2
8
18
32
32
18
7
|
| General |
|---|
| Name | Ununseptium | | Symbol | Uus | | Number | 117 | | Chemical series | | | Group / Period | 17 / 7 | | Block | p-block | | CAS registry number | 87658-56-8 |
| Physical properties |
|---|
| State | solid | | Density | g/cm3 | | Melting point | | | Boiling point | | | Critical point | |
| Atomic properties |
|---|
| Atomic Weight | (290) g/mol | | Crystal structure | | | Electronegativity | | | Atomic radius | | | Atomic radius (calculated) | | | Electron configuration | [Rn] 5f14 6d10 7s2 7p5 | | Electrons per shell | 2, 8, 18, 32, 32, 18, 7 | | Number of protons | 117 | | Number of neutrons | 174 |
|
Ununoctium