
Câu hỏi về Nitrogen
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Medium
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Nguyên tố hóa học nào sau đây thuộc nhóm VA?
Nitrogen.
Chlorine.
carbon.
Oxygen.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cấu hình electron nguyên tử của nitrogen là
1s22s22p1.
1s22s22p5.
1s22s22p1.
1s22s22p3.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Khí nào phổ biến nhất trong khí quyển Trái Đất?
Oxygen.
Nitrogen.
Ozone.
Argon.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Công thức hoá học của diêm tiêu Chile là
Ca(NO3)2.
NH4NO3
NH4Cl
NaNO3
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tính chất nào sau đây của nitrogen không đúng?
Ở điều kiện thường, nitrogen là chất khí.
Nitrogen tan rất ít trong nước.
Nitrogen không duy trì sự cháy và sự hô hấp.
Nitrogen nặng hơn không khí.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Vị trí của nitrogen (N) trong bảng hệ thống tuần hoàn là
ô 14, chu kì 2,nhóm VA .
ô 14, chu kì 3,nhóm VA.
ô 7, chu kì 2, nhóm VA.
ô 7, chu kì 3,nhóm VA .
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Trong các phản ứng sau, phản ứng nào nitrogen đóng vai trò chất khử?
N2 +O2=>2NO
3Mg + N2 =>Mg3N2.
6Li + N2 => 2Li3N.
N2 + 3H2 =>2NH3
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