
Азот
Authored by Irina Feshchenko
Chemistry
8th Grade
Used 2+ times

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20 questions
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1.
MATCH QUESTION
1 min • 1 pt
Установите соответствие между формулой вещества и его описанием
бесцветный газ с резким запахом, хорошо растворимый в воде
N2O
бесцветная жидкость, сильный окислитель
HNO3
бесцветный газ, содержание в воздухе которого составляет 78%
N2
бесцветный газ, используется в качестве наркоза
NH3
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Количество электронов на внешнем уровне в атоме азота
5
3
7
1
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Число энергетических уровней в атоме азота
2
1
5
3
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Число протонов в атоме азота равно
7
5
2
8
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Аммиак необходим для производства удобрений
Верно
Не верно
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Степень окисления азота в молекуле NH3
+3
-3
+5
0
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Тип химической связи в молекуле азота N2
ковалентная неполярная
ковалентная полярная
ионная
связей нет
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