Tungsten (W)
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Atomic Data for Tungsten (W)
Atomic Number = 74
Atomic Weight = 183.85
Reference E95
Isotope Mass Abundance Spin Mag Moment
180W 79.946701 0.12% 0
182W 81.948202 26.3% 0
183W 82.950220 14.28% 1/2 +0.11778
184W 83.950928 30.7% 0
186W 85.954357 28.6% 0
W I Ground State 1s22s22p63s23p63d104s24p64d104f145s25p65d46s2 5D0
Ionization energy 63427.7 cm-1 (7.86403 eV) Ref. CS96
W II Ground State 1s22s22p63s23p63d104s24p64d104f145s25p65d46s 6D1/2
Ionization energy 130000 cm-1 (16.1 eV) Ref. MH84