Урок 2 ОГЭ -карточки валентность и степень окисления
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Chemistry
9th Grade
Used 4+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
валентность азота в молекуле азота N2
I
II
III
IV
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
высшая степень окисления азота
+3
+4
+5
+6
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
валентность азота в N2H4
I
II
III
IV
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
высшая валентность меди
I
II
III
IV
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
валентность азота в катионе аммония NH4+
II
III
IV
V
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
высшая степень окисления кислорода
+1
+2
+3
+4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
низшая степень окисления ВСЕХ металлов
-1
0
+1
+2
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