Molybdenum (ingiriis: Molybdenum) astaanta (Mo) waa curiye kimiko oo tirada atomkiisu tahay afartan-iyo-labo (42). Curiyaha Molybdenum waa bir ka tirsan Transitional Metalska ee guruubka 6aad ee Diwaanka Curiye. Sidoo kale, waxay ka tirsan tahay guruubka loo yaqaan d-block.