Ion | No. of levels |
---|
Nb I | 395 |
Nb II | 354 |
Nb III | 189 |
Nb IV | 183 |
Nb V | 31 |
Nb VI | 105 |
Nb VII | 32 |
Nb VIII | 2 |
Nb IX | 2 |
Nb X | 2 |
Nb XI | 2 |
Nb XII | 2 |
Nb XIII | 2 |
Nb XIV | 2 |
Nb XV | 50 |
Nb XVI | 2 |
Nb XVII | 2 |
Nb XVIII | 2 |
Nb XIX | 2 |
Nb XX | 2 |
Nb XXI | 2 |
Nb XXII | 2 |
Nb XXIII | 2 |
Nb XXIV | 2 |
Nb XXV | 2 |
Nb XXVI | 2 |
Nb XXVII | 2 |
Nb XXVIII | 2 |
Nb XXIX | 2 |
Nb XXX | 2 |
Nb XXXI | 2 |
Nb XXXII | 2 |
Nb XXXIII | 2 |
Nb XXXIV | 2 |
Nb XXXV | 2 |
Nb XXXVI | 2 |
Nb XXXVII | 2 |
Nb XXXVIII | 2 |
Nb XXXIX | 2 |
Nb XL | 80 |
Nb XLI | 10 |
Total for Nb: | 1491 |