93 Neptunium Np  information about the ground-state, ionization energy, and atomic weight data
Atomic Weight:[237]
Ionization Energy: 6.265608  eV
Ground-state Level:  6L11/2 
Ground-state Configuration: [Rn]5f46d7s2 

Click a database icon to retrieve data on Neptunium:

Atomic Spectroscopic Data information on Atomic Spectroscopic Data
 Atomic Spectra Database-Lines Ground States and Ionization Energies Handbook of Basic Atomic Spectroscopic Data X-Ray Transition Energies Database
Bibliographic Databases on Atomic Spectroscopy information on Bibliographic Databases on Atomic Spectroscopy
 Atomic Transition Probability Bibliographic Database Atomic Spectral Line Broadening Bibliographic Database Atomic Energy Levels and Spectra Bibliographic Database
X-Ray and Gamma Ray Data information on X-Ray and Gamma Ray Data
 Photon Cross Sections
Radiation Dosimetry Data information on Radiation Dosimetry Data
 Stopping Power and Ranges for Electrons
Nuclear Physics Data information on Nuclear Physics Data
 Atomic Weights and Isotopic Compositions

Back to periodic table