Химия - степени окисления
Quiz
•
Chemistry
•
11th Grade
•
Hard
Марина Алянич
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Выбери элементы, которые могут проявлять степень окисления +3
Na
Ca
Al
N
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Выбери элементы, для которых высшая степень окисления не равна номеру группы
O
N
F
S
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Среди предложенных элементов выбери те, которые не могут проявлять отрицательных степеней окисления
B
C
K
Cr
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Рассчитай степень окисления атома никеля в комплексной частице
[NiCl4]2-
+1
+2
+4
+6
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Выбери элементы, которые в сложных соединениях проявляют постоянную степень окисления
Be
Al
Mn
O
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какая степень окисления у атома хрома в соединении с формулой K2Cr2O7?
+2
+3
+6
+12
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
В каком соединении один из атомов находится в дробной степени окисления?
Fe2O3
Fe3O4
RbO2
BaO
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