7 клас. Валентності (залік)
Quiz
•
Chemistry
•
12th Grade
•
Medium
Олена Мусієнко
Used 8+ times
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Скільки атомів Оксигену входить до складу молекули Al2(SO4)3?
3
4
7
12
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Скільки атомів в молекулі Fe2(SO4)3?
3
7
14
17
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Скільки атомів Гідрогену входить до складу молекули (NH4)2HPO4?
7
4
9
8
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Скільки атомів металів в молекулі Ca3(PO4)2?
1
2
3
8
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Скільки атомів неметалів в молекулі NH4NO3?
0
2
7
9
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Виберіть групу елементів, які проявляють валентність ІІ
Na, H, O, Al
Mg, K, C, B
Mg, Zn, Ba, Ca
O, N, Cl, Ca
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Виберіть групу елементів, які проявляють валентність І
Na, H, K, Li
Mg, K, C, B
Mg, H, Ba, C
O, N, Cl, Ca
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