Intangiriro ngufi kumiterere yibintu bya tantalum

Tantalum Ibintu Byumubiri

Ikimenyetso cyimiti Ta, ibyuma byicyuma cyicyuma, ni mumatsinda VB mumeza yigihe cya

ibintu, numero ya atome 73, uburemere bwa atome 180.9479, kubice-bishingiye kumubiri,

agaciro rusange ni +5. Ubukomere bwa tantalum buri hasi kandi bufitanye isano na ogisijeni

ibirimo. Vickers gukomera kwa tantalum isanzwe ni 140HV gusa muri

leta idahwitse. Ikibanza cyayo cyo gushonga kiri hejuru ya 2995 ° C, kiza kumwanya wa gatanu muri

ibintu by'ibanze nyuma ya karubone, tungsten, rhenium na osmium. Tantalum ni

byoroshye kandi birashobora gukururwa muburyo bworoshye kugirango bikore ibinure. Coefficient ya

kwagura ubushyuhe ni bito. Yaguka gusa ibice 6,6 kuri miliyoni kuri dogere selisiyusi.

Byongeye, gukomera kwayo birakomeye cyane, ndetse biruta umuringa.

Numero ya CAS: 7440-25-7

Icyiciro cyibanze: ibintu byinzibacyuho.

Ubwinshi bwa atomike: 180.94788 (12C = 12.0000)

Ubucucike: 16650kg / m³; 16.654g / cm³

Gukomera: 6.5

Aho uherereye: Inzira ya gatandatu, Itsinda VB, Zone d

Kugaragara: Icyuma Cyuma Cyuma

Ibikoresho bya elegitoronike: [Xe] 4f14 5d3 6s2

Ingano ya Atome: 10.90cm3 / mol

Ibigize ibintu mumazi yinyanja: 0.000002ppm

Ibiri mu gikonjo: 1ppm

Oxidation ivuga: +5 (major), -3, -1, 0, +1, +2, +3

Imiterere ya Crystal: Akagari ka selile ni umubiri-ushingiye kubice bigize selile, na buri selile

irimo atome 2 z'icyuma.

Ibipimo by'akagari:

a = 330.13 pm

b = 330.13 pm

c = 330.13 pm

α = 90 °

β = 90 °

γ = 90 °

Gukomera kwa Vickers (gushonga arc no gukomera bikonje): 230HV

Gukomera kwa Vickers (rerystallisation annealing): 140HV

Gukomera kwa Vickers (nyuma ya elegitoroniki imwe yashonga): 70HV

Gukomera kwa Vickers (gushonga na electron ya kabiri ya elegitoronike): 45-55HV

Ingingo yo gushonga: 2995 ° C.

Umuvuduko wo gukwirakwiza amajwi muri yo: 3400m / s

Ingufu za Ionisation (kJ / mol)

M - M + 761

M + - M2 + 1500

M2 + - M3 + 2100

M3 + - M4 + 3200

M4 + - M5 + 4300

Yavumbuwe na: 1802 na chimiste wo muri Suwede Anders Gustafa Eckberg.

Kwita izina Element: Ekberg yise element yitiriwe Tantalus, se wumwamikazi

Neobi wa Thebes mu migani ya kera y'Abagereki.

Inkomoko: Ibaho cyane cyane muri tantalite kandi ibana na niobium.