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All Chemistry

Tellurium

52 Te

Tellurium

Metalloid period 5 group 16 p-block discovered: 1782

As a chemical element

Properties of the atom — they do not depend on what substance it is part of.

Atomic number
52
Atomic mass
127.6 a.m.u.
Electron configuration
[Kr]5s2 4d10 5p4
Electronegativity
2.1 on the Pauling scale
Atomic radius
206 pm
Ionization energy
9.010 eV
Electron affinity
1.971 eV
Oxidation states
+6, +4, -2

As a simple substance

Properties of the substance these atoms form under ordinary conditions.

State at 25 °C
Solid
Melting point
722.66 K (449,51 °C)
Boiling point
1261 K (987,85 °C)
Density
6.232 g/cm³

Materials about this element