Валентность

Quiz
•
Chemistry
•
11th Grade
•
Hard
Наталья Германович
Used 2+ times
FREE Resource
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Установите соответствие между формулой вещества и валентностью элемента, указанного в скобках
1г, 2г, 3г, 4б
1а, 2б, 3г, 4б
1б, 2г, 3в, 4г
1б, 2г, 3в, 4в.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Валентность атомов хотя бы одного химического элемента равна IV в веществе
О2
Р4
NH3
H2S
Si
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Валентность атомов хотя бы одного химического элемента равна IV в веществе
HCl
O2
NH3
NH4Cl
S8
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Валентность хотя бы одного элемента равна III в соединениях
O2
N2
CO
H3PO4
CO2
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
валентность II имеет хотя бы 1 элемент в веществе
P4
H2S
H2SO4
NO2
NH3
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Валентность IV имеет хотя бы 1 элемент в веществе
HNO3
NH4Br
О2
Р4
алмаз
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Валентность I хотя бы для одного элемента имеется в веществе
Cl2
HF
SO2
SO3
H2S
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