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Thulium

Thulium, 69Tm
Thulium
tuliyum·
Pabaosan/ˈθjliəm/ (THEW-lee-əm)
Cingakanklau pérak
Bobot atom standar Ar, std(Tm)168.934218(6)[1]
Thulium ring tabél périodik
Hidrogén Hélium
Litium Bérilium Boron Karbon Nitrogén Oksigén Fluorin Néon
Natrium Magnésium Aluminium Silikon Phosfor Urirang Klorin Argon
Potasium Kalsium Skandium Titanium Vanadium Kromium Mangan (datu) Wesi Kobalt Nikel Temaga Séng Gallium Gérmanium Arsenik Sélénium Brom Kripton
Rubidium Strontium Ittrium Zirkonium Niobium Molibdénum Téknésium Ruthénium Rhodium Palladium Pérak Kadmium Indium Timah Antimoni Téllurium Yodium Xénon
Sésium Barium Lanthanum Sérium Praséodimium Néodimium Prométhium Samarium Éuropium Gadolinium Terbium Disprosium Holmium Érbium Thulium Itterbium Lutésium Hafnium Tantalum Tungstén Rhénium Osmium Iridium Platinum Mas Rasa (datu) Thallium Timbal Bismuth Polonium Astatin Radon
Fransium Radium Aktinium Thorium Protaktinium Uranium Néptunium Plutonium Amérisium Curium Berkélium Kalifornium Éinsteinium Fermium Méndelevium Nobélium Lawrénsium Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnérium Darmstadtium Roéntgénium Kopernikium Nihonium Flérovium Moskovium Livermorium Ténnessin Oganésson


Tm

Md
érbiumthuliumitterbium
Wilangan atom (Z)69
Watekn/a
Périodepériode 6
Blok  blok-f
Konpigurasi éléktron[] 4f13 6s2
Éléktron per kulit2, 8, 18, 31, 8, 2
Cecirén pisik
Pase ring STPpadet
Titik lebur1818 K ​(1545 °C, ​2813 °F)
Titik didih2223 K ​(1950 °C, ​3542 °F)
Kapadetan (nampek s.r.)9.32 g/cm3
ri kala éncéh (ring t.l.)8.56 g/cm3
Panes fusi16.84 kJ/mol
Panes panguapan191 kJ/mol
Kapasitas panes molar27.03 J/(mol·K)
Tekanan uap
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 1117 1235 1381 1570 (1821) (2217)
Cecirén atom
Paindikan oksidasi0,[2] +1,[3] +2, +3 (oksida basa)
Kaéléktronégatipanskala Pauling: 1.25
Wasa ionisasi
  • ka-1: 596.7 kJ/mol
  • ka-2: 1160 kJ/mol
  • ka-3: 2285 kJ/mol
Jeriji atomémpiris: 176 pm
Jeriji kovalén190±10 pm
Garis warna ring pentang spéktrum
Garis spéktral saking thulium
Cecirén liyanan
Rupa alamiprimordial
Struktur kristalsusunan padat héksagon (hcp)
Hexagonal close packed crystal structure for thulium
Ékspansi térmalpoly: 13.3 µm/(m⋅K) (ring s.r.)
Konduktivitas térmal16.9 W/(m⋅K)
Resistivitas listrikpoly: 676 nΩ⋅m (ring s.r.)
bacakan magnétikparamagnétik (ring 300 K)
Karentanan magnétik molar+25500×10−6 cm3/mol (291 K)[4]
Modulus Young74.0 GPa
Modulus Shear30.5 GPa
Modulus Bulk44.5 GPa
Rasio Poisson0.213
Kakatosan Vickers470–650 MPa
Kakatosan Brinell470–900 MPa
Nomor CAS7440-30-4
Lelintihan
Pangarananmawit Thule, wawengkon mitos ring Skandinavia
Panemuan miwah isolasi kapertamaPer Teodor Cleve (1879)
Isotop utama thulium
Iso­top Kalimpahan Paruh-idup (t1/2) Mode paluruhan Pro­duk
167Tm syn 9.25 d ε 167Ér
168Tm syn 93.1 d ε 168Ér
169Tm 100% tegteg
170Tm syn 128.6 d β 170Yb
171Tm syn 1.92 y β 171Yb
Kategori:Thulium
| pustaka

Thulium silih tunggil datu kimia antuk simbol Tm miwah wilangan atom 69. Puniki datu kaping tigang welas miwah kaping tiga saking untat ring bacakan lantanida, paindikan oksidasi sané pinih ketah punika +3, kacingak ring oksida, halida, miwah senyawa liyanan; mawinan sanget belad ring bacakan punika, asapunika, paindikan oksidasi +2 taler kategtegang olih kulit 4f sané nagih penuh. Larutan MCIn, sekadi senyawa lantanida untat liyanan, senyawa thulium larut ngawentuk kompléks koordinasi sareng sia molekul toya.

Pustaka

  1. Méija, Juris; et al. (2016). "Atomic weights of the elements 2013 (IUPAC Technical Report)". Pure and Applied Chemistry. 88 (3): 265–91. doi:10.1515/pac-2015-0305.
  2. Yttrium and all lanthanides except Ce and Pm have been observed in the oxidation state 0 in bis(1,3,5-tri-t-butylbenzene) complexes, see Cloke, F. Geoffrey N. (1993). "Zero Oxidation State Compounds of Scandium, Yttrium, and the Lanthanides". Chem. Soc. Rev. 22: 17–24. doi:10.1039/CS9932200017. and Arnold, Polly L.; Petrukhina, Marina A.; Bochenkov, Vladimir E.; Shabatina, Tatyana I.; Zagorskii, Vyacheslav V.; Cloke (2003-12-15). "Arene complexation of Sm, Eu, Tm and Yb atoms: a variable temperature spectroscopic investigation". Journal of Organometallic Chemistry. 688 (1–2): 49–55. doi:10.1016/j.jorganchem.2003.08.028.
  3. La(I), Pr(I), Tb(I), Tm(I), and Yb(I) have been observed in MB8 clusters; see Li, Wan-Lu; Chen, Teng-Teng; Chen, Wei-Jia; Li, Jun; Wang, Lai-Sheng (2021). "Monovalent lanthanide(I) in borozene complexes". Nature Communications. 12: 6467. doi:10.1038/s41467-021-26785-9.
  4. Weast, Robert (1984). CRC, Handbook of Chemistry and Physics. Boca Raton, Florida: Chemical Rubber Company Publishing. pp. E110. ISBN 0-8493-0464-4.

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