انټيموني

Antimony, ₅₁Sb
عمومي خواص
Pronunciation	UK /ˈæntɪməni/ AN-tim-Ə-nee ; US /ˈæntɪmoʊni/ AN-tim-OH-nee
Appearance	silvery lustrous gray
Antimony په دوراني جدول کې
tin ← antimony → tellurium	‍
اټومي شمیره (Z)	51
گروپ, پیریود	group 15 (pnictogens), period 5
بلاک	p-block
Element category	metalloid
معياري اټومي وزن (Ar)	کينډۍ:Val
Electron configuration	[Kr] 4d10 5s2 5p3
Electrons per shell	2, 8, 18, 18, 5
فزیکي خواص
حالت (at STP)	جامد
دويلې کيدو ټکى	903.78 K (630.63 °C, 1167.13 °F)
يشنا ټکی	1908 K (1635 °C, 2975 °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 vaporization	193.43 kJ/mol
Molar heat capacity	25.23 J/(mol·K)
اټومي خواص
Oxidation states	5, 4, 3, 2, 1, −1, −2, −3 (an amphoteric oxide)
Electronegativity	Pauling scale: 2.05
Ionization energies	1st: 834 kJ/mol ; 2nd: 1594.9 kJ/mol ; 3rd: 2440 kJ/mol ; (more) ;
Atomic radius	empirical: 140 pm
Covalent radius	139±5 pm
Van der Waals radius	206 pm
Miscellanea
Crystal structure	rhombohedral
Speed of sound thin rod	3420 m/s (at 20 °C)
Thermal expansion	11 µm/(m·K) (at 25 °C)
د تودوخې تېرېدنه	24.4 W/(m·K)
Electrical resistivity	417 nΩ·m (at 20 °C)
Magnetic ordering	diamagnetic
Magnetic susceptibility (χmol)	−99.0·10−6 cm3/mol
Young's modulus	55 GPa
Shear modulus	20 GPa
Bulk modulus	42 GPa
Mohs hardness	3.0
Brinell hardness	294–384 MPa
CAS Number	7440-36-0
History
Discovery	ca. 800
Main isotopes of antimony
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انټيموني (په انگرېزي: Antimony) له کیمیاوي عناصرو څخه یو دی چې په تناوبي جدول کې د Sb سمبول او ۵۱ اتمي شمېرې په وسیله ښودل شوی دی.

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↑ Meija, J.; Coplen, T. B. (2016). "Atomic weights of the elements 2013 (IUPAC Technical Report)". Pure Appl. Chem. 88 (3): 265-91. doi:10.1515/pac-2015-0305. https://www.degruyter.com/downloadpdf/j/pac.2016.88.issue-3/pac-2015-0305/pac-2015-0305.xml.
↑ Lide, D. R., المحرر (2005). "Magnetic susceptibility of the elements and inorganic compounds". CRC Handbook of Chemistry and Physics (PDF) (الطبعة 86th). Boca Raton (FL): CRC Press. د کتاب نړيواله کره شمېره 0-8493-0486-5. الوسيط |CitationClass= تم تجاهله (مساعدة)
↑ Weast, Robert (1984). CRC, Handbook of Chemistry and Physics. Boca Raton, Florida: Chemical Rubber Company Publishing. د کتاب پاڼي E110. د کتاب نړيواله کره شمېره 0-8493-0464-4. الوسيط |CitationClass= تم تجاهله (مساعدة)

دا ليکنه نابشپړه ده، تاسې ددې ليکنې په بشپړولو کې د ويکيپېډيا سره مرسته کولای شئ.

[CIAAW2016-1] Meija, J.; Coplen, T. B. (2016). "Atomic weights of the elements 2013 (IUPAC Technical Report)". Pure Appl. Chem. 88 (3): 265-91. doi:10.1515/pac-2015-0305. https://www.degruyter.com/downloadpdf/j/pac.2016.88.issue-3/pac-2015-0305/pac-2015-0305.xml.

[2] Lide, D. R., المحرر (2005). "Magnetic susceptibility of the elements and inorganic compounds". CRC Handbook of Chemistry and Physics (PDF) (الطبعة 86th). Boca Raton (FL): CRC Press. د کتاب نړيواله کره شمېره 0-8493-0486-5. الوسيط |CitationClass= تم تجاهله (مساعدة)

[3] Weast, Robert (1984). CRC, Handbook of Chemistry and Physics. Boca Raton, Florida: Chemical Rubber Company Publishing. د کتاب پاڼي E110. د کتاب نړيواله کره شمېره 0-8493-0464-4. الوسيط |CitationClass= تم تجاهله (مساعدة)

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