52 Te 127.603
Tellurium
metalloid
Properties
- Atomic number
- 52
- Atomic mass
- 127.603 u
- Category
- metalloid
- Group
- 16
- Period
- 5
- Block
- p-block
- State (room temp)
- Solid
- Outer-shell electrons
- 6
- Electronegativity
- 2.1 (Pauling)
- Density
- 6.24 g/cm³
- Melting point
- 449.51 °C
- Boiling point
- 987.85 °C
Electron configuration
1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁴
Noble-gas shorthand: [Kr] 4d¹⁰ 5s² 5p⁴
Electrons per shell: 2, 8, 18, 18, 6, which is 6 in the outermost shell.
Related: electron configuration, the Bohr model, valence electrons.
About Tellurium
Tellurium is a chemical element with symbol Te and atomic number 52. It is a brittle, mildly toxic, rare, silver-white metalloid. Tellurium is chemically related to selenium and sulfur.
- Discovered by Franz-Joseph Müller von Reichenstein
Tellurium: frequently asked questions
- What is Tellurium?
- Tellurium (Te) is the chemical element with atomic number 52. It is a metalloid, with properties between metals and nonmetals.
- What is the atomic number of Tellurium?
- Tellurium's atomic number is 52, which means every Tellurium atom has 52 protons in its nucleus.
- What is the electron configuration of Tellurium?
- The electron configuration of Tellurium is 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p4 (noble-gas shorthand: [Kr] 4d10 5s2 5p4). Its electrons are arranged in shells of 2, 8, 18, 18, 6, with 6 in the outermost shell.
- Is Tellurium a metal or a nonmetal?
- Tellurium is a metalloid, with properties between metals and nonmetals.
- What group and period is Tellurium in?
- Tellurium is in group 16 and period 5 of the periodic table.
- Is Tellurium a solid, liquid, or gas?
- At room temperature, Tellurium is a solid.
Position in the periodic table
Data compiled from Wikipedia, PubChem, and IUPAC. Source.