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zaya4
@zaya4
June 2023
2
6
Report
…1. Знайти валентності елементів:
Cr2O3 , CO2 , HBr , NO , BCl3 , CaI2 , N2O5 , K2S
2. Скласти формули сполук за валентністю:
Al…S… , Si…Cl… , Fe…Cl… , Cu..S… , P…Br… , N…O.. , Xe…O…
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Answers & Comments
jansaya0810
Ответ:
1.
Оксид
хрома
-
Cr
2
0
3
2
.
Диоксид
углерода
-
CO
2
3.Бромоводород-HB
4.оксид азота-NO
0 votes
Thanks 1
nastya2020menshova
Ответ:
на фото
Объяснение:
1 votes
Thanks 2
nastya2020menshova
5)
nastya2020menshova
:)
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Answers & Comments
Ответ:
1.Оксид хрома-Cr203
2.Диоксид углерода-CO2
3.Бромоводород-HB
4.оксид азота-NO
Ответ:
на фото
Объяснение: