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Authored by Anonymous Anonymous
Performing Arts
1st Grade
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24 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3Cách sắp xếp các orbital nguyên tử theo mức năng lượng tăng dần nào sau đây là đúng?
3s < 3p < 4s < 3d.
3s < 3p < 3d < 4s.
2s < 2p < 3p < 3s.
4s < 4p < 4d < 5s.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4Cơ sở phân bố các electron trong vỏ nguyên tử là:
Nguyên lý Pauli và quy tắc Hund.
Nguyên lý Pauli và quy tắc kinh nghiệm Klechkowsky.
Nguyên lý Pauli, nguyên lý vững bền và quy tắc Hund.
Quy tắc kinh nghiệm Klechkowsky và nguyên lý vững bền.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5Orbital nguyên tử 3d tương ứng với bộ hai số lượng tử nào sau đây:
n = 2, l = 3.
n = 3, l = 2.
n = 2, l = 2.
n = 3, l = 1.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
9Số electron tối đa có trong lớp L, M, N lần lượt là:
2, 6, 10.
1, 3, 5.
8, 18, 32.
2, 10, 14.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
10Phân lớp 4d có
1 orbital nguyên tử.
3 orbital nguyên tử.
5 orbital nguyên tử.
7 orbital nguyên tử.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
11Cấu hình electron của nguyên tử nguyên tố Cr (Z = 24) là
1s2 2s2 2p6 3s2 3p6 3d4 4s1.
1s2 2s2 2p6 3s2 3p6 3d5 4s1.
1s2 2s2 2p6 3s2 3p6 3d4 4s2.
1s2 2s2 2p6 3s2 3p6 3d6.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
12Cấu hình electron của nguyên tử nguyên tố Fe ( Z = 26) là
1s2 2s2 2p6 3s2 3p6 3d6 4s2.
1s2 2s2 2p6 3s2 3p6 4s2 3d6.
1s2 2s2 2p6 3s2 3p6 3d5 4s1.
1s2 2s2 2p6 3s2 3p6 3d5 4s2.
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