
Câu hỏi về Nitrogen
Authored by dung anh
Chemistry
11th Grade
Used 3+ times

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57 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ở trạng thái cơ bản, cấu hình electron lớp ngoài cùng của nguyên tố nhóm VA là
ns2np5.
ns2np3.
ns2np2.
ns2np4.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ở trạng thái cơ bản, nguyên tử N có số electron độc thân là
6.
3.
4.
5.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ở trạng thái cơ bản, nguyên tử N có số electron ở lớp ngoài cùng là
6.
3.
4.
5.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hóa trị cao nhất của nitrogen trong hợp chất là
6.
3.
4.
5.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong khí quyển Trái Đất, nguyên tố nitrogen tồn tại chủ yếu dưới dạng nào?
NO.
N2.
N2O.
NH3.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong khí quyển Trái Đất, khí nào sau đây chiếm thể tích lớn nhất?
O2.
Ar.
CO2.
N2.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong khí quyển trái đất, nitrogen chiếm bao nhiêu phần trăm thể tích khí quyển
15%.
78,1%.
80%.
21%.
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