SCRIE FORMULA ŞI DENUMEŞTE SUBSTANŢA
10. 1 atom azot şi 3 atomi de
hidrogen
...
Chemistry, 26.05.2020 15:57 Jimenezmiranda
SCRIE FORMULA ŞI DENUMEŞTE SUBSTANŢA
10. 1 atom azot şi 3 atomi de
hidrogen
11. 2 atomi de hidrogen, 1 atom de cabon şi 3 atomi de
oxigen
Totul este greu înainte de
a deveni ușor
12. 1 atom de carbon şi 2 atomi de oxigen
13. 1 atom de calciu şi 1 grupare
carbonat
14. Pb (II) și 1 grupare carbonat
15. Co (II) și o grupare fosfat
16. Arsen și un radical sulfură
Answers: 2
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