Только ІІ валентность имеют ВСЕ элементы в ряду...

Викторина без названия

Quiz
•
Chemistry
•
11th Grade
•
Medium
Аня Михлюк
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O, Zn, F, N
Ca, Mg, Ba, O
Si, Hg, Al, Fe
С, Li, Mg, Zn
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Алюминий имеет валентность...
І
ІІІ
ІІ
VІ
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какая степень окисления у О2?
2-
2+
0
2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Сколько у Fe валентностей?
1
2
3
4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Чему равна алгебраическая сумма степеней окисления всех атомов в соединении?
-1
+1
0
+2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Чему равна степень окисления углерода в соединении CF4?
+1
+4
-1
-4
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Всегда ли наивысшая степень окисления элемента = валентности элемента?
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