| Quality of representation | |||||
| Initial | Extraction |
| Initial | Extraction | |
| Cr | 1 | 0.274 | As | 1 | 0.900 |
| Mg | 1 | 0.823 | U | 1 | 0.651 |
| Mn | 1 | 0.719 | Au | 1 | 0.501 |
| Ba | 1 | 0.930 | Th | 1 | 0.299 |
| Mo | 1 | 0.835 | Sr | 1 | 0.819 |
| Cu | 1 | 0.604 | V | 1 | 0.626 |
| Zn | 1 | 0.830 | Sc | 1 | 0.640 |
| Ag | 1 | 0.368 | Hg | 1 | 0.642 |
| Ni | 1 | 0.739 | Ga | 1 | 0.888 |
| Co | 1 | 0.889 | Be | 1 | 0.648 |