52
127.6 u
Te
Tellurium
Metalloid
Atomic Structure
Physical State
Group
16
Period
5
Block
p
Electron Configuration
[Kr] 4d¹⁰ 5s² 5p⁴
Physical Properties
Atomic Mass:
127.6 u
Electronegativity:
2.1
Atomic Radius:
206 pm
Ionization Energy:
9.01 eV
Density:
6.24 g/cm³
Melting Point:
722.66 K
Boiling Point:
1261 K
Historical Information
Discovered By:
Franz-Joseph Müller von Reichenstein
Year Discovered:
1782