ଛାଞ୍ଚ:Infobox Antimony

Antimony,  ₅₁Sb

ସାଧାରଣ ଗୁଣ
ନାମ, ପ୍ରତୀକ	antimony, Sb
Appearance	silvery lustrous gray
ଉଚ୍ଚାରଣ	UK: /ˈæntməni/ AN-ti-mə-nee; US: /ˈæntmoʊni/ AN-ti-moh-nee
Antimony in the periodic table
As ↑ Sb ↓ Bi tin ← antimony → tellurium
ପରମାଣୁ କ୍ରମାଙ୍କ (Z)	51
ଶ୍ରେଣୀ, ବ୍ଳକ	group 15 (pnictogens), p-block
ପର୍ଯ୍ୟାୟ	period 5
ମୌଳିକ ପ୍ରକାର	metalloid
ମାନକ ପରମାଣବିକ ଓଜନ (±) (Ar)	121.760(1)
ଇଲେକ୍‌ଟ୍ରୋନ୍ ବିନ୍ୟାସ	[Kr] 4d10 5s2 5p3
per shell	2, 8, 18, 18, 5
ଭୌତିକ ଗୁଣ
ଅବସ୍ଥା	solid
ଗଳନାଙ୍କ	903.78 K ​(630.63 °C, ​1167.13 °F)
ସ୍ଫୁଟନାଙ୍କ	1860 K ​(1587 °C, ​2889 °F)
Density near r.t.	6.697 g/cm3
when liquid, at m.p.	6.53 g/cm3
Heat of fusion	19.79 kJ/mol
Heat of	193.43 kJ/mol
Molar heat capacity	25.23 J/(mol·K)
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	Pauling scale: 2.05
energies	(more)
Atomic radius	empirical: 140 pm
Covalent radius	139±5 pm
Van der Waals radius	206 pm
Miscellanea
Crystal structure	​trigonal
Speed of sound thin rod	3420 m/s (at 20 °C)
Thermal expansion	11 µm/(m·K) (at 25 °C)
Thermal conductivity	24.4 W/(m·K)
Electrical resistivity	417 n Ω·m (at 20 °C)
Magnetic ordering	diamagnetic
Young's modulus	55 GPa
Shear modulus	20 GPa
Bulk modulus	42 GPa
Mohs hardness	3.0
Brinell hardness	294 MPa
CAS Number	7440-36-0
ଇତିହାସ
ଆବିଷ୍କାର	3000 BC
First isolation	Vannoccio Biringuccio (1540)
Most stable 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

References

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