Manganese

Manganese bụ ihe mejupụtara kemịkalụ nwere akara Mn, atomiki nọmba 25, yana onye ikwu atomic mass 54.9380, bụ ọla ọcha na-acha ntụ ntụ, siri ike, kenkuwa, na ngbanwe na-egbuke egbuke. Njupụta ndị ikwu bụ 7.21g/cm³ (a, 20℃). Ebe mgbaze 1244℃, isi okwu 2095℃. Resistivity bụ 185 × 10Ω·m (25℃).

Manganese bụ ọla ọcha ọcha siri ike na nke na-emebi emebi nwere sistemu kristal cubic ma ọ bụ tetragonal. Njupụta nke ikwu bụ 7.21g/cm ³ (a, 20 ℃). Ebe mgbaze 1244 ℃, ebe esi 2095 ℃. Ihe mgbochi bụ 185 × 10 Ω · m (25 ℃). Manganese bụ metal na-arụ ọrụ nke na-ere ọkụ na ikuku oxygen, na-eme ka ikuku dị n'elu ya, ma nwee ike jikọta ya na halogens ozugbo iji mepụta halides.

Manganese adịghị adị dị ka otu mmewere na okike, ma manganese ore na-emekarị n'ụdị oxides, silicates, na carbonates. A na-ekesa ọla manganese na Australia, Brazil, Gabon, India, Russia na South Africa. Manganese nodules dị n'elu oke osimiri nke ụwa nwere ihe dịka 24% manganese. Ihe nchekwa ego nke manganese dị n'Africa bụ ijeri tọn 14, na-aza 67% nke ihe nchekwa zuru ụwa ọnụ. China nwere nnukwu mmanụ manganese, nke a na-ekesa ma na-emepụta na mpaghara 21 (mpaghara) n'ofe mba ahụ..