Molybdenum Iṣaaju

Molybdenum (Molybdenum) jẹ ẹya irin iyipada ninu Ẹgbẹ VI B (ẹgbẹ chromium) ti akoko karun ti tabili igbakọọkan. Aami rẹ jẹ Mo, nọmba atomiki rẹ jẹ 42, ati iwọn atomiki ibatan rẹ jẹ 95.95. Idiwọn ojulumo rẹ jẹ 10.28 g/cm³, aaye yo jẹ iwọn 2622, aaye sisun rẹ jẹ iwọn 4639. Resistivity jẹ 5.2×10-8 Ω·m (ìyí 20).
Molybdenum ni agbara giga, lile giga, ati awọn ohun-ini ẹrọ ti o dara julọ, mimu agbara giga ati lile wọnyi paapaa ni awọn iwọn otutu giga. Molybdenum jẹ akọkọ ti a lo ninu ṣiṣe irin, ati awọn irin alloy ti o n ṣakopọ molybdenum ni agbara giga, lile giga, resistance ooru to dayato, ati idena ipata. Molybdenum ti irin jẹ lilo pupọ ni awọn ẹrọ itanna gẹgẹbi awọn tubes elekitironi, transistors, ati awọn atunṣe.
Awọn agbo ogun molybdenum pataki pẹlu molybdenum oxide, molybdenum sulfide, molybdates, ati molybdenum polyacids. Molybdenum waye nipataki ni iseda bi molybdenite (eyiti o ni akọkọ ti molybdenum disulfide). Molybdenite jẹ oxidized si molybdenum oxide, eyiti o dinku pẹlu hydrogen tabi awọn ọna aluminiothermic lati ṣe agbekalẹ molybdenum ipilẹ. Molybdenum jẹ lilo akọkọ ni awọn alloy pataki, awọn amọna, ati awọn ayase. O jẹ ẹya pataki wa kakiri fun ara eniyan.