Tellurium
|
52Te
|
|
Panagway
|
silvery lustrous gray
|
Kinatibuk-ang mga kinaiya
|
Ngalan, simbolo, kaiphan
|
tellurium, Te, 52
|
Paglitok
|
[[Help:Pronunciation respelling key|te-Plantilya:Smallcaps all-ee-əm]]
|
Kategoriyang elemento
|
metalloid
|
Group, period, block
|
16, 5, p
|
Gibug-aton sa atomo
|
127.60
|
Kontorno sa elektron
|
[Kr] 4d10 5s2 5p4 2, 8, 18, 18, 6
|
History
|
Pagkadiskobre
|
Franz-Joseph Müller von Reichenstein (1782)
|
First isolation
|
Martin Heinrich Klaproth
|
Physical properties
|
Phase
|
magahi
|
Density (near r.t.)
|
6.24 g·cm−3
|
Liquid density at m.p.
|
5.70 g·cm−3
|
Melting point
|
722.66 K, 449.51 °C, 841.12 °F
|
Boiling point
|
1261 K, 988 °C, 1810 °F
|
Heat of fusion
|
17.49 kJ·mol−1
|
Heat of vaporization
|
114.1 kJ·mol−1
|
Molar heat capacity
|
25.73 J·mol−1·K−1
|
Vapor pressure
|
P (Pa)
|
1
|
10
|
100
|
1 k
|
10 k
|
100 k
|
at T (K)
|
|
|
(775)
|
(888)
|
1042
|
1266
|
|
Atomic properties
|
Oxidation states
|
6, 5, 4, 2, -2 (mildly acidic oxide)
|
Electronegativity
|
2.1 (Pauling scale)
|
Ionization energies
|
1st: 869.3 kJ·mol−1
|
2nd: 1790 kJ·mol−1
|
3rd: 2698 kJ·mol−1
|
Atomic radius
|
140 pm
|
Covalent radius
|
138±4 pm
|
Van der Waals radius
|
206 pm
|
Miscellanea
|
Crystal structure
|
hexagonal[1]
|
Magnetic ordering
|
diamagnetic[2]
|
Thermal conductivity
|
(1.97–3.38) W·m−1·K−1
|
Speed of sound (thin rod)
|
(20 °C) 2610 m·s−1
|
Young's modulus
|
43 GPa
|
Shear modulus
|
16 GPa
|
Bulk modulus
|
65 GPa
|
Mohs hardness
|
2.25
|
Brinell hardness
|
180 MPa
|
CAS registry number
|
13494-80-9
|
Most stable isotopes
|
Main article: Isotopes of tellurium
|
|
· r
|
Ang teluryo (Iningles tellurium) mao ang elementong kimiko sa talaang peryodiko nga may simbolo nga Te ug kaiphan nga atomik 52. Ang teluryo mao ang metalloid.
Ang mga gi basihan niini
- ↑ Tellurium, mindat.org
- ↑ Magnetic susceptibility of the elements and inorganic compounds, in Handbook of Chemistry and Physics 81st edition, CRC press.
Galeriya sa hulagway