Степень окисления

Flashcard
•
Chemistry
•
8th Grade
•
Hard
Елена Туран
FREE Resource
Student preview

7 questions
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1.
FLASHCARD QUESTION
Front
Чему равна степень окисления элемента в простых веществах?
Back
0
2.
FLASHCARD QUESTION
Front
Чему равна алгебраическая сумма степеней окисления в сложных веществах?
Back
0
3.
FLASHCARD QUESTION
Front
Какой из элементов в соединениях имет степень окисления -2? N, F, O, Cu
Back
O
4.
FLASHCARD QUESTION
Front
Определите степень окисления меди в соединении CuO
Back
+2
5.
FLASHCARD QUESTION
Front
Определите степень окисления хлора в соединении HCl
Back
-1
6.
FLASHCARD QUESTION
Front
Определите степень окисления азота в молекуле аммиака NH3
Back
-3
7.
FLASHCARD QUESTION
Front
В каком соединении степень окисления азота равна +5 ?
Options: N2, N2O, N2O5, N2O3
Back
N2O5
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