117
Ts
Tennessine
(294)
28183232187
#117
Tennessine
unknown· Solid·294 u
Tennessine is a superheavy artificial chemical element with an atomic number of 117 and a symbol of Ts. Also known as eka-astatine or element 117, it is the second-heaviest known element and penultimate element of the 7th period of the periodic table. As of 2016, fifteen tennessine atoms have been observed: six when it was first synthesized in 2010, seven in 2012, and two in 2014.
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Identity
- Symbol
- Ts
- Atomic Number
- 117
- Atomic Mass
- 294 u
- Category
- unknown
- Block
- p-block
- Period
- 7
- Group
- 17
- Year Discovered
- 2010 CE
- Discovered By
- Joint Institute for Nuclear Research
- Named By
- Tennessee
Electrons
- Configuration
- *[Rn] 5f14 6d10 7s2 7p5
- Full Configuration
- 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 7s2 5f14 6d10 7p5
- Shells
- 2, 8, 18, 32, 32, 18, 7
- Electronegativity
- n/a
- Electron Affinity
- 165.9
- Oxidation States
- +5, +3, +1, -1
Physical Properties
- State at
- Solid
- Melting Point
- 723
- Boiling Point
- 883
- Density
- 7.17
- Crystal Structure
- n/a
- Magnetic Ordering
- n/a
Mechanical
Thermal & Electrical
Abundance
- Universe
- 0
- Sun
- 0
- Meteorite
- 0
- Earth's Crust
- 0
- Ocean
- 0
- Human Body
- 0