Okwu mmeghe dị nkenke maka njirimara anụ ahụ nke tantalum metal

Njirimara anụ ahụ Tantalum

Akara kemịkalụ Ta, metal gray steel, bụ nke otu VB na tebụl oge

ihe, atomic nọmba 73, atomiki arọ 180.9479, ahu-gbadoro anya cubic crystal,

ọnụ ọgụgụ nkịtị bụ +5.Isi ike nke tantalum dị ala ma jikọtara ya na ikuku oxygen

ọdịnaya.Vickers siri ike nke tantalum dị ọcha bụ naanị 140HV na

steeti annealed.Ebe mgbaze ya dị elu dị ka 2995 Celsius, na-agbaze nke ise n'etiti ndị

elemental mgbe carbon, tungsten, rhenium na osmium.Tantalum bụ

malleable na ike-adọta n'ime mkpa filaments ka mkpa foils.Ọnụ ọgụgụ ya nke

Mgbasa ọkụ ọkụ dị obere.Ọ na-agbasa naanị site na akụkụ 6.6 kwa nde kwa ogo Celsius.

Tụkwasị na nke ahụ, ike ya siri ike, ọbụna karịa ọla kọpa.

Nọmba CAS: 7440-25-7

Ụdị ihe: mgbanwe metal ọcha.

Uka atomic emetụtara: 180.94788 (12C = 12.0000)

Njupụta: 16650kg/m³;16.654g/cm³

Isi ike: 6.5

Ebe: okirikiri nke isii, Group VB, Mpaghara d

Ọdịdị: Steel Grey Metallic

Nhazi eletrọnị: [Xe] 4f14 5d3 6s2

Olu atọm: 10.90cm3/mol

Ọdịnaya nke ihe dị na mmiri mmiri: 0.000002ppm

Ọdịnaya dị na eriri: 1ppm

Oxidation steeti: +5 (isi), -3, -1, 0, +1, +2, +3

Ọdịdị kristal: cell unit bụ cell cubic unit nke gbadoro ụkwụ n'ahụ, yana cell unit ọ bụla

nwere 2 metal atọm.

Parampat cell:

a = 330.13 mgbede

b = 330.13 ehihie

c = 330.13 ehihie

α = 90°

β = 90°

γ = 90°

Vickers siri ike (agbaze arc na oyi siri ike): 230HV

Vickers ike (recrystallization annealing): 140HV

Vickers ike (mgbe otu eletrọn ọkụ gbazere): 70HV

Vickers siri ike (gbazere site na ọkụ eletrik nke abụọ): 45-55HV

Ebe mgbaze: 2995°C

Ọsọ mgbasa nke ụda na ya: 3400m/s

Ike ionization (kJ/mol)

M - M+ 761

M+ - M2+ 1500

M2+ - M3+ 2100

M3+ - M4+ 3200

M4+ - M5+ 4300

Achọpụtara ya: 1802 site n'aka onye Sweden chemist Anders Gustafa Eckberg.

Aha ihe: Ekberg kpọrọ ihe omume ahụ aha Tantalus, nna Queen

Neobi nke Thebes na akụkọ ifo Greek oge ochie.

Isi mmalite: Ọ kachasị dị na tantalite yana niobium na-ebikọ ọnụ.