Tellurium

From Citizendium, the Citizens' Compendium
Jump to: navigation, search
This article is a stub and thus not approved.
Main Article
Talk
Related Articles  [?]
Bibliography  [?]
External Links  [?]
Citable Version  [?]
Properties [?]
 
This editable Main Article is under development and not meant to be cited; by editing it you can help to improve it towards a future approved, citable version. These unapproved articles are subject to a disclaimer.
Tellurium
127.60(3)



  Te
52
1s22s22p63s23p63d104s2 4p64d105s25p4
[ ? ] Metalloid:
Properties:
Silvery-white, brittle metalloid.
Hazard:
Mildly toxic


Tellurium is a chemical element, having the chemical symbol Te. Its atomic number (the number of protons) is 52. It has a standard atomic weight of 127.6 g•mol −1 and is a solid in its elemental form.

Tellurium is considered to be a member of the "Metalloid" class of elements. At a pressure of 101.325 kPa, it has a boiling point of 988 °C and a melting point of 449.5 °C.