| [PAD] | |
| [CLS] | |
| [SEP] | |
| [UNK] | |
| O | |
| H | |
| F | |
| S | |
| Li | |
| P | |
| N | |
| Mg | |
| C | |
| Si | |
| Cl | |
| Fe | |
| Mn | |
| B | |
| Se | |
| Al | |
| Co | |
| Na | |
| V | |
| Ni | |
| Cu | |
| K | |
| Ca | |
| Ba | |
| Ti | |
| Zn | |
| Ge | |
| Sr | |
| I | |
| Br | |
| Te | |
| Cr | |
| Mo | |
| Sb | |
| Ga | |
| Sn | |
| Bi | |
| La | |
| As | |
| Nb | |
| Rb | |
| W | |
| Y | |
| In | |
| Cs | |
| Ag | |
| Zr | |
| Cd | |
| Pb | |
| Nd | |
| Ta | |
| Ce | |
| Pd | |
| Pr | |
| Sm | |
| Rh | |
| Hg | |
| Tl | |
| Pt | |
| Er | |
| Tb | |
| Ru | |
| Sc | |
| U | |
| Dy | |
| Ho | |
| Au | |
| Hf | |
| Yb | |
| Ir | |
| Be | |
| Eu | |
| Tm | |
| Re | |
| Lu | |
| Gd | |
| Os | |
| Th | |
| Tc | |
| Pu | |
| Np | |
| Pm | |
| Xe | |
| Ac | |
| Pa | |
| Kr | |
| He | |
| Ne | |
| Ar |