
Викторина по химии: Азот и фосфор

Quiz
•
Chemistry
•
11th Grade
•
Hard
victoria rybalovskay
FREE Resource
19 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какой элемент имеет атомный номер 7?
Сера
Кислород
Азот
Фосфор
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какова высшая степень окисления фосфора?
0
+5
-3
+3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какой элемент является третьим по электроотрицательности?
Фтор
Кислород
Азот
Фосфор
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какова массовая доля фосфора на Земле?
0,5 %
0,01 %
0,1 %
1 %
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какой из минералов является наиболее значимым источником азота?
Апатит
Селитра
Фосфорит
Гипс
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какой газ образует молекулы N2?
Кислород
Азот
Водород
Метан
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какова температура кипения азота?
-150 °С
-100 °С
-210 °С
-196 °С
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