Podaj symbole pierwiastków:
1. Gal
2. Brom
3. Wapń
4. Potas
5. Selen
6. German
7. Arsen
1Ga
2.Br
3Ca
4. Potas K
5. Selen Se
6. German Ge
7. Arsen As
1.Ga2.Br3.Ca4.K5.Se6.Ge7.As
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1Ga
2.Br
3Ca
4. Potas K
5. Selen Se
6. German Ge
7. Arsen As
1.Ga
2.Br
3.Ca
4.K
5.Se
6.Ge
7.As