C512 1
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Hard
NOS Nguyễn Ngọc Sơn
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73 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cấu hình e nào sau đây là của nguyên tử kim loại?
A. 1s^22s^22p^6
B. 1s^22s^22p^63s^23p^4
C. 1s^22s^22p^63s^23p^5
D. 1s^22s^22p^63s^1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cấu hình electron của nguyên tử nguyên tố X là 1s^22s^22p^63s^23p^64s^1. Số hiệu nguyên tử của Z là?
A. 20
B. 19
C. 39
D. 18
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nguyên tử Al có Z=13, cấu hình e của Al là?
A. 1s^22s^22p^63s^23p^5
B. 1s^22s^22p^63s^23p^3
C. 1s^22s^22p^63s^23p^2
D. 1s^22s^22p^63s^23p^1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ở trạng thái cơ bản, cấu hình electron của nguyên tử Na (Z=11) là?
A. 1s^22s^22p^53s^2
B. 1s^22s^22p^43s^1
C. 1s^22s^22p^63s^2
D. 1s^22s^22p^63s^1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu hình electron của ion Cu2+ và Cr3+ lần lượt là?
A. (Ar)3d^9 và (Ar)3d^14s^2
B. (Ar)3d^74s^2 và (Ar)3d^3
C. (Ar)3d^9 và (Ar)3d^3
D. (Ar)3d^74s^2 và (Ar)3d^14s^2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Crom có số hiệu nguyên tử Z=24. Cấu hình electron nào sau đây không đúng?
A. Cr(Ar)3d^54s^1
B. Cr3+(Ar)3d^3
C. Cr2+(Ar)3d^4
D. Cr(Ar)3d^44s^2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy gồm các ion X+, Y+ và nguyên tử Z đều có cấu hình electron 1s^22s^22p^6 là?
A. Na+, Cl-, Ar
B. Li+, F-, Ne
C. Na+, F-, Ne
D. K+, Cl-, Ar
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