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110305ART |
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| Elementi Chimici Primari | Primary Chemical Elements |
| ANTIMONIO (P5-51-Sb) | ANTIMONY |
| ARSENICO (P4-33-As) | ARSENIC |
| BORO (P2-5-B) | BORON |
| GERMANIO (P4-32-Ge) | GERMANIUM |
| POLONIO (P6-84-Po) | POLONIUM |
| SILICIO (P3-14-Si) | SILICON |
| TELLURIO (P5-52-Te) | TELLURIUM |