К какому периоду относится азот ?
Азот

Quiz
•
Chemistry
•
11th Grade
•
Medium
Проект 32
Used 2+ times
FREE Resource
6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2
3
4
5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какова молярная масса азота ?
14
22
1
16
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Сколько процентов азота содержится в воздухе ?
50
13
78
90
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Каков внешний электронный уровень у азота ?
2s22p3
2s22p4
3s23p3
3s23p5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
При получении азота , как мы должны держать колбу ?
Горлышком вниз
Горлышком вверх
Без разницы
По гаризонтали
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
С чем не реагирует азот ?
Водородом
Кислородом
Серой
Магнием
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