Molybdenum minerals are actually acknowledged during history, although the ingredient was learned (during the perception of differentiating it as a whole new entity with the mineral salts of other metals) in 1778 by Carl Wilhelm Scheele. TechnetiumB??c one: L?y m?t l??ng d?u t?y trang v?a ?? lên bàn tay ho?c bông t?y trang.– T?ng thêm s? t? t