
Степень окисления
Authored by Ольга Ольга
Chemistry
University
Used 34+ times

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8 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Степень окисления кислорода в соединениях со фтором может быть
-2
+2
-1
+1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Сумма степеней окисления элементов в сложном веществе равна
числу протонов
номеру группы
ноль
номеру периода
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Степень окисления водорода в гидридах равна
+1
0
-2
-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Степень окисления фтора в сложных веществах равна
-7
+1
-1
+7
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Степень окисления элемента в простом веществе равна
ноль
номеру группы
номеру периода
8 - № периода
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Степень окисления металлов в сложных веществах всегда
отрицательная
положительная
ноль
равна номеру группы
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Степень окисления водорода в сложных веществах, как правило, равна
+1
+2
0
-1
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