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Element: tellurium

Name : tellurium

Symbol : Te

Atomicnumber : 52

Relativeatomicmass : 127.60 (3) g [see note g]

Standardstate : solid at 298 K

Appearance : silvery lustrous grey

Classification : Semi-metallic

Groupinperiodictable : 16

Groupname : Chalcogen

Periodinperiodictable : 5

Blockinperiodictable : p

Shellstructure : 2.8.18.18.6

CASRegistry : 13494-80-9

Description : Crystalline tellurium has a silvery-white appearance, and exhibits a metallic lustre when pure (see above).