Antimonyo

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Antimony
51Sb
As

Sb

Bi
tinantimonytellurium
Appearance
silvery lustrous gray
General properties
Name, simbolo, kaiphan antimony, Sb, 51
Pronunciation Plantilya:IPAc-en Plantilya:Respell;
Plantilya:IPAc-en Plantilya:Respell
Element category metalloid
Group, period, block 155, p
Standard atomic weight 121.760(1)
Electron configuration [Kr] 4d10 5s2 5p3
2, 8, 18, 18, 5
Electron shells of antimony (2, 8, 18, 18, 5)
History
Discovery 3000 BC
First isolation Vannoccio Biringuccio (1540)
Physical properties
Phase magahi
Density (near r.t.) 6.697 g·cm−3
Liquid density at m.p. 6.53 g·cm−3
Melting point 903.78 K, 630.63 °C, 1167.13 °F
Boiling point 1860 K, 1587 °C, 2889 °F
Heat of fusion 19.79 kJ·mol−1
Heat of vaporization 193.43 kJ·mol−1
Molar heat capacity 25.23 J·mol−1·K−1
Vapor pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 807 876 1011 1219 1491 1858
Atomic properties
Oxidation states 5, 3, -3
Electronegativity 2.05 (Pauling scale)
Ionization energies
(more)
1st: 834 kJ·mol−1
2nd: 1594.9 kJ·mol−1
3rd: 2440 kJ·mol−1
Atomic radius 140 pm
Covalent radius 139±5 pm
Van der Waals radius 206 pm
Miscellanea
Crystal structure simple trigonal
Antimony has a simple trigonal crystal structure
Magnetic ordering diamagnetic[1]
Electrical resistivity (20 °C) 417 nΩ·m
Thermal conductivity 24.4 W·m−1·K−1
Thermal expansion (25 °C) 11 µm·m−1·K−1
Speed of sound (thin rod) (20 °C) 3420 m·s−1
Young's modulus 55 GPa
Shear modulus 20 GPa
Bulk modulus 42 GPa
Mohs hardness 3.0
Brinell hardness 294 MPa
CAS registry number 7440-36-0
Most stable isotopes
Main article: Isotopes of antimony
iso NA half-life DM DE (MeV) DP
121Sb 57.36% 121Sb is stable with 70 neutrons
123Sb 42.64% 123Sb is stable with 72 neutrons
125Sb syn 2.7582 y β 0.767 125Te
t  h  u
· r

Ang antimonyo (Iningles antimony) mao ang elementong kimiko sa talaang peryodiko nga may simbolo nga Sb ug kaiphan nga atomik 51. Ang antimonyo mao ang metalloid.

Ang mga gi basihan niini[usba | edit source]

  1. Magnetic susceptibility of the elements and inorganic compounds, in Handbook of Chemistry and Physics 81st edition, CRC press.


Galeriya sa hulagway[usba | edit source]