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Neptunium(Np) Element
| Basic Infomation | |
Name: Neptunium Symbol: Np Atomic Number: 93 Atomic Mass: (237.0) amu Melting Point: 640.0 °C (913.15 °K, 1184.0 °F) Boiling Point: 3902.0 °C (4175.15 °K, 7055.6 °F) | Number of Protons/Electrons: 93 Number of Neutrons: 144 Classification: Rare Earth Crystal Structure: Orthorhombic Density @ 293 K: 20.45 g/cm3 Color: Unknown |
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