Periodic Table · element

Tellurium

Te · Z 52

atomic number

52

atomic mass

127.6

notation

Te

group

16: Oxygen

period

5

state0c

Solid

state20c

Solid

occurrence

Primordial

density

6.24

melting pt

450

boiling pt

988

discovered

1782

abundance

0.001

ore minerals

in copper sulfides

mined as

By-product

extraction

From copper anode slimes alongside selenium; the solar-cell (CdTe) tellurium supply is a by-product of how much copper is refined.

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From the All Periodical Elements database in Notion, last edited 2026-08-16. This page is the row, rendered by the build; nothing on it is written by hand.