Molybdenum is a chemical element with symbol Mo and atomic number 42. Molybdenum does not occur naturally as a free metal on Earth; it is found only in various oxidation states in minerals.25.6 g = 50 × 50 mm
M 7057 (OTTOKEMI) Molybdenum foil, 1.27 mm thick, 99.9% - used as a substrate for the fabrication of CdS-CdTe solar cells.