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Tellurium (Te)
Atomic number: 52 · Category: metalloid · Group 16 · Period 5 · Phase: Solid
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.
Block: p
Molar heat: 25.73
CPK color:#d47a00
Electronic structure
Electron configuration: 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p4
Configuration (semantic): [Kr] 4d10 5s2 5p4
Shells: 2, 8, 18, 18, 6
Electronegativity (Pauling): 2.1
Electron affinity: 190.161
Ionization energies: 869.3, 1790, 2698, 3610, 5668, 6820, 13200
Periodic position
Group: 16
Period: 5
xpos: 16
ypos: 5
Spectral/Bohr images
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3D Model