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Tennessine (Ts) – Element 117 of the periodic table

Tennessine (symbol Ts) is element number 117 of the periodic table and belongs to the “Halogen” category. Its atomic mass is about 294, and its phase under standard conditions is Solid (a theoretical prediction). This element sits in period 7 and group 17 of the periodic table, and its electrons are arranged in shells of 2, 8, 18, 32, 32, 18, 7. The short electron configuration of Tennessine is [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁵. Known uses of Tennessine include Scientific research.

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Tennessine is a radioactive, mostly synthetic element; its data may be based on limited experiments or theoretical prediction.

Properties of Tennessine

Atomic number
117
Chemical symbol
Ts
Atomic mass
294
Category
Halogen
Period
7
Group
17
Phase
Solid (a theoretical prediction)
Protons
117
Electrons
117
Neutrons (approx.)
177
Electron shells
2, 8, 18, 32, 32, 18, 7
Outer-shell electrons
7
Discovered
Dubna Research Institute (2010)

Electron configuration of Tennessine

The electron configuration of Tennessine (Ts), with 117 electrons, is shown below. The last shell (shell 7) is highlighted:

Full configuration
1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 4f¹⁴ 5s² 5p⁶ 5d¹⁰ 5f¹⁴ 6s² 6p⁶ 6d¹⁰ 7s² 7p⁵
Short configuration
[Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁵
Last shell
7s² 7p⁵

This synthetic element’s electron configuration is a theoretical prediction.

What is electron configuration and how is it written?

Electron shells of Tennessine

Distribution of 117 electrons of Tennessine across shells K to Q:

  1. K2
  2. L8
  3. M18
  4. N32
  5. O32
  6. P18
  7. Q7

What is a halogen?

The halogens are the group 17 elements: highly reactive nonmetals that form salt compounds with metals.

Uses of Tennessine

Frequently asked questions about Tennessine

What is the atomic number of Tennessine?

The atomic number of Tennessine (Ts) is 117; that is, every atom of it has 117 protons.

What is the electron configuration of Tennessine?

The electron configuration of Tennessine (Ts) is 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 4f¹⁴ 5s² 5p⁶ 5d¹⁰ 5f¹⁴ 6s² 6p⁶ 6d¹⁰ 7s² 7p⁵; in short form it is [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁵, and its last shell is 7s² 7p⁵.

What is the chemical symbol of Tennessine?

The chemical symbol of Tennessine is Ts.

Where is Tennessine located in the periodic table?

Tennessine is located in period 7 and group 17 and belongs to the “Halogen” category.

What is the atomic mass of Tennessine?

The atomic mass of Tennessine is about 294 (atomic mass units).

What is the phase of Tennessine under normal conditions?

The phase of Tennessine under standard conditions is Solid (a theoretical prediction).

What are the uses of Tennessine?

Uses of Tennessine include Scientific research.

Who discovered Tennessine?

Tennessine was discovered by Dubna Research Institute in 2010.

Elements in the same category as Tennessine (Halogen)

Fluorine (F)Chlorine (Cl)Bromine (Br)Iodine (I)Astatine (At)

See all Halogens

Tennessine’s group 17 neighbours

Fluorine (F)Chlorine (Cl)Bromine (Br)Iodine (I)Astatine (At)

Group 17 of the periodic table