Tantalum Properties
Alamar sinadarai Ta, karfen launin toka karfe, na rukunin VB ne a cikin tebur na lokaci-lokaci na
abubuwa, atomic lambar 73, atomic nauyi 180.9479, jiki-tsakiyar cubic crystal,
gama gari shine +5.Taurin tantalum yana da ƙasa kuma yana da alaƙa da iskar oxygen
abun ciki.Taurin Vickers na tantalum na yau da kullun shine kawai 140HV a cikin
annealed jihar.Matsayinsa na narkewa ya kai 2995 ° C, matsayi na biyar a cikin
abubuwan farko bayan carbon, tungsten, rhenium da osmium.Tantalum da
malleable kuma za a iya jawo su cikin bakin ciki filaments don yin bakin ciki foils.Its coefficient na
thermal fadada ƙananan ne.Yana faɗaɗa kawai da sassa 6.6 a kowace miliyan kowane digiri Celsius.
Bugu da ƙari, taurinsa yana da ƙarfi sosai, har ma ya fi jan ƙarfe.
Lambar CAS: 7440-25-7
Nau'in nau'in: abubuwan ƙarfe na canzawa.
Yawan atomic na dangi: 180.94788 (12C = 12.0000)
Yawa: 16650kg/m³;16.654g/cm³
Shafin: 6.5
Wuri: Zagaye na shida, Rukunin VB, Zone d
Bayyanar: Karfe Grey Metallic
Tsarin lantarki: [Xe] 4f14 5d3 6s2
Girman atomatik: 10.90cm3/mol
Abubuwan da ke cikin abubuwan da ke cikin ruwan teku: 0.000002ppm
Abun ciki a cikin ɓawon burodi: 1ppm
Yanayin Oxidation: +5 (babba), -3, -1, 0, +1, +2, +3
Tsarin Crystal: Tantanin halitta naúrar tantanin halitta mai siffar cubic ce ta tsakiya, da kowace tantanin halitta
ya ƙunshi atom ɗin ƙarfe 2.
Simitocin salula:
a = 330.13 pm
b = 330.13pm
c = 330.13pm
α = 90°
β = 90°
γ = 90°
Vickers taurin (narkewar baka da taurin sanyi): 230HV
Vickers taurin (recrystallization annealing): 140HV
Vickers taurin (bayan narkewar katako na lantarki): 70HV
Taurin Vickers (narkar da katako na lantarki na biyu): 45-55HV
Matsayin narkewa: 2995°C
Gudun yaɗa sauti a cikinsa: 3400m/s
Ionization makamashi (kJ/mol)
M-M+ 761
M+ - M2+ 1500
M2+ - M3+ 2100
M3+ - M4+ 3200
M4+ - M5+ 4300
An gano shi: 1802 daga masanin kimiyar Sweden Anders Gustafa Eckberg.
Sunan sinadari: Ekberg ya sanya wa sinadarin sunan Tantalus, mahaifin Sarauniya
Neobi na Thebes a cikin tsohuwar tarihin Girkanci.
Source: Yafi wanzu a cikin tantalite kuma yana tare da niobium.
Lokacin aikawa: Janairu-06-2023