Information valid for Mo-96 unless otherwise noted

Molybdenum

Basic Information

Symbol: Mo
Atomic Number: 42
Mass: 95.94
Melting Point: 2617.0 C
Boiling Point: 4612.0 C
Number of Protons/Electrons: 42
Number of Neutrons: 54
Classification: Transition Metal
Crystal Structure: Cubic
Density @ 293 K: 10.22 g/cm³
Color: silverish

Atomic Structure

Number of Energy Levels: 5 First Energy Level: 2 Second Energy Level: 8 Third Energy Level: 18 Fourth Energy Level: 13 Fifth Energy Level: 1

Isotopes

Facts

Date of Discovery: 1778
Discoverer: Carl Wilhelm Scheele
Name Origin: From the Greek word molubdos (lead)
Uses: aircraft, missiles
Obtained From: molybdenite, wulfenite