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Tungsten molybdenum sputtering lekwasịrị anya bụ ụdị ihe mgbasa alloy mebere molybdenum na tungsten.

Molybdenum bụ ihe kemịkalụ sitere na Greek 'molybdos' nke pụtara lead. Ebu ụzọ kpọtụrụ ya na 1778 wee hụ W. Scheele. J. Hjelm mechakwara kewapụ ya ma kwupụta ya. "Mo" bụ akara kemịkalụ nke molybdenum. Nọmba atomic ya dị na tebụl oge nke ihe dị 42 nwere ọnọdụ na Oge 5 na Group 6, bụ nke d-block. Uka atomic nke molybdenum bụ 95.94(2) Dalton, ọnụọgụ dị na brackets na-egosi ejighị n'aka.

Tungsten, nke a na-akpọkwa wolfram; wolframium, bụ ihe kemịkal sitere na Swedish 'tung sten' nke pụtara nkume dị arọ (W bụ wolfram, aha ochie nke tungsten mineral wolframite). Ebu ụzọ kpọtụrụ ya na 1781 wee hụ T. Bergman. J. na F. Elhuyar mechakwara kewapụ ya ma kwupụta ya. "W" bụ akara kemịkalụ nke tungsten. Nọmba atomic ya dị na tebụl oge nke ihe dị 74 nwere ọnọdụ na Oge 6 na Group 6, bụ nke d-block. Uka atomic nke tungsten bụ 183.84(1) Dalton, ọnụọgụ dị na brackets na-egosi ejighị n'aka.