Азот
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Medium
Наиля Зиятдинова
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10 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Выбери элементы пниктогены (элементы VA группы)
Se
As
N
F
C
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
У какого элемента конфигурация внешнего слоя будет ...3s23p3
P
N
Sb
Bi
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Летучее водородное соединение фосфора
P2O5
H3PO4
H3PO3
PH3
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Высший гидроксид азота это
NH3
N2O5
HNO2
HNO3
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Сколько электронов на внешнем слое и сколько неспаренных электронов у атома фосфора? Ответ дайте в той последовательности, в которой спрашивают.
5 и 3
5 и 15
3 и 5
15 и 3
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Какая молекула простого вещества двухатомная?
мышьякаа
фосфора
серы
азота
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Допишите химическую реакцию:
N2 + Ca =
CaN2
Ca3N2
N2Ca
Ca2N3
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