Tantalum bụ ihe mejupụtara kemịkalụ nwere akara Ta na atomic nọmba 73. Amara na mbụ dị ka tantalum, aha ya sitere na Tantalus, ajọ mmadụ sitere na akụkọ ifo ndị Gris. Tantalum bụ ígwè mgbanwe na-adịghị ahụkebe, nke siri ike, na-acha anụnụ anụnụ, na-acha anụnụ anụnụ, nke na-eguzogide corrosion nke ukwuu. Ọ bụ akụkụ nke otu mgbanaka refractory, nke a na-ejikarị dị ka obere ihe na alloys. Inertness kemịkalụ nke tantalum na-eme ka ọ bụrụ ihe bara uru maka akụrụngwa ụlọ nyocha yana nnọchi platinum. Ihe eji eme ya taa bụ tantalum capacitors na ngwa eletrọnịkị dị ka ekwentị mkpanaaka, ihe ọkpụkpọ DVD, sistemụ egwuregwu vidiyo na kọmputa. Tantalum, mgbe niile yana niobium yiri nke ahụ, na-eme na otu ịnweta tantalite, columbite na coltan (ngwakọta nke columbite na tantalite, ọ bụ ezie na a naghị amata ya dị ka ụdị ịnweta). A na-ewere Tantalum dị ka ihe dị mkpa na teknụzụ.

Njirimara anụ ahụ
Tantalum gbara ọchịchịrị (acha anụnụ anụnụ-agba ntụ), nnukwu, ductile, siri ike nke ukwuu, nke a na-emepụta n'ụzọ dị mfe, ma na-eduzi okpomọkụ na ọkụ eletrik. Ọla a ma ama maka iguzogide corrosion nke acids; N'ezie, na okpomọkụ dị n'okpuru 150 Celsius C tantalum fọrọ nke nta ka ọ bụrụ na ọ nweghị ike ịwakpo aqua regia na-emekarị ihe ike. Enwere ike igbari ya na hydrofluoric acid ma ọ bụ ngwọta acidic nwere fluoride ion na sulfur trioxide, yana ngwọta nke potassium hydroxide. Ebe mgbaze dị elu nke Tantalum nke 3017 Celsius (ebe esi mmiri 5458 Celsius) gafere n'etiti ihe ndị ahụ naanị site na tungsten, rhenium na osmium maka ọla, na carbon.

Tantalum dị n'ụdị kristal abụọ, alfa na beta. Usoro alfa dị ntakịrị ma dị nro; o nwere ihe owuwu cubic gbadoro ụkwụ na ya (otu oghere Im3m, lattice mgbe niile a = 0.33058 nm), ike ike 200-400 HN na mgbochi eletriki 15-60 µΩ⋅cm. Oge beta siri ike ma gbarie; Ihe ngosi kristal ya bụ tetragonal (otu oghere P42 / mnm, a = 1.0194 nm, c = 0.5313 nm), ike Knoop bụ 1000-1300 HN na mgbochi eletrik dị elu na 170-210 µΩ⋅cm. Usoro beta bụ metastable wee tụgharịa gaa na nkeji alfa ma kpo oku ruo 750–775 Celsius. Nnukwu tantalum fọrọ nke nta ka ọ bụrụ akụkụ alfa kpamkpam, usoro beta na-adịkwa adị ka ihe nkiri dị mkpa enwetara site na sputtering magnetron, ntinye kemịkalụ kemịkalụ ma ọ bụ ntinye elektrọnik sitere na ngwọta nnu eutectic gbazere.