Степень окисления +2 проявляет кислород в соединении:

CO 8

Quiz
•
Chemistry
•
5th Grade
•
Medium
Анна Шашок
Used 1+ times
FREE Resource
10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Na2O2
OF2
SO3
O2
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Высшая степень окисления +7 у элемента
F
S
O
Cl
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Низшая степень окисления -3 у элемента:
Al
N
S
H
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Только положительная степень окисления может быть у элемента с электронной схемой:
1е
2е,8е,6е
2е,8е,8е,2е
2е,5е
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Постоянную степень окисления имеет каждый элемент ряда:
Na, S, Ca
K, Cl, F
Cs, F, Sr
H, Ba, N
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Только окислителем может быть простое вещество:
Ca
F2
Al
S
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Выбрать схему окисления
SO3----SO2
S---SO2
CaCO3---CO2
Fe2O3---Fe
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