Teluryo

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.

Tellurium
52Te
Se ↑ Te ↓ Po Periodic table antimony ← tellurium → iodine
Panagway
silvery lustrous gray
Kinatibuk-ang mga kinaiya
Ngalan, simbolo, kaiphan	tellurium, Te, 52
Paglitok	/tᵻˈlʲʊəriəm/ [[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 Electron shells of tellurium (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
iso NA half-life DM DE (MeV) DP 120Te 0.09% >2.2×1016 y β+β+ 1.701 120Sn 121Te syn 16.78 d ε 1.040 121Sb 122Te 2.55% 122Te is stable with 70 neutrons 123Te 0.89% >6×1013 y ε 0.051 123Sb 124Te 4.74% 124Te is stable with 72 neutrons 125Te 7.07% 125Te is stable with 73 neutrons 126Te 18.84% 126Te is stable with 74 neutrons 127Te syn 9.35 h β− 0.698 127I 128Te 31.74% 2.2×1024 y β−β− 0.867 128Xe 129Te syn 69.6 min β− 1.498 129I 130Te 34.08% 7.9×1020 y β−β− 2.528 130Xe
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