
Химия: Повторение7_1
Quiz
•
Chemistry
•
7th Grade
•
Easy
Татьяна Сыцевич
Used 1+ times
FREE Resource
7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Что такое атом?
Мельчайшая химически неделимая частица
Сложное соединение молекул
Смесь различных веществ
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Сколько атомов углерода в молекуле углекислого газа (СО2)?
1
2
3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Простое вещество, молекула которого состоит из двух атомов это...
Азот
Железо
Сера
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какой элемент обозначается символом "O"?
Кислород
Азот
Углерод
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какие вещества состоят из атомов одного вида?
Простые
Сложные
Элементарные
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Валентность хлора в его оксиде Cl2O равна...
I
II
IV
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Формула соединения, состоящего из атомов Mn(VII) и O:
Mn2O7
MnO2
Mn7O2
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