117
Ts
tennessine
[294]

General properties

Group
group 17 (halogens)
Period
period 7
Category
unknown
Standard atomic weight
-
Melting point
623–823 K (predicted)
Boiling point
883 K (predicted)
Phase at STP
solid (predicted)

Additional properties

Block
p-block
Electron configuration
[Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁵ (predicted)
Electrons per shell
2, 8, 18, 32, 32, 18, 7
Electronegativity
Density
7.1–7.3 g/cm³ (extrapolated)
Oxidation states
(−1), (+1), (+3), (+5) (parenthesized: prediction)
CAS Number
87658-56-8