
Сентябрь-Октябрь

Quiz
•
Chemistry
•
11th Grade
•
Medium
Виктория Журавлева
Used 1+ times
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1s2 2s2 2p6 3s2 3p6 3d1 4s2 сколько у элемента электронов на внешнем энергетическом уровне
1
2
3
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
какой валентности НЕ может быть у азота
III
II
IV
V
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
SiH4 летучее водородное соединение
да
нет
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
какая валентность у кислорода в СО (угарный газ)
6
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
OF2
оксид
фторид
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
атом, предоставляющий свободную орбиталь при образовании связи, называется
донор
акцептор
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
какой гидроксид соответствует кремнезему
H2SiO3
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