Molybdenum

Transition metal

Symbol: Mo

Atomic Number: 42

Standard State: Solid

Atomic Mass: 95.95

Electron Configuration: [Kr]5s1 4d5

Electronegativity: 2.16

Atomic Radius: 209

Ionization Energy: 7.092

Melting Point: 2896

Boiling Point: 4912

Density: 10.2

Year Discovered: 1778