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Chemia
wartościowości pierwiastków
| Question | Answer |
|---|---|
| Li (Lit) | I |
| Na (Sód) | I |
| K (Potas) | I |
| Mg (Magnez) | II |
| Ca (Wapń) | II |
| Ba (Bar) | II |
| Be (Beryl) | I |
| B (Bor) | III |
| H (Wodór) | I |
| O (Tlen) | II |
| F (Fluor) | I |
| Zn (Cynk) | II |
| Cr (Chrom) | II, III, VI |
| Mn (Mangan) | II, IV, VI, VII |
| Au (Złoto) | II, III |
| Ag (Srebro) | I, II |