
10_ôn HK1 (2)
Quiz
•
Chemistry
•
10th Grade
•
Easy
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27 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Một nguyên tố R có cấu hình electron: 1s22s22p63s23p4, công thức hợp chất của R với hydrogen và công thức oxide cao nhất là:
RH2, RO.
RH2, RO3.
RH2, RO2.
RH5, R2O5.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1s22s22p63s23p63d64s2.
1s22s22p63s23p5.
1s22s22p63s2.
1s22s22p63s23p1.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Al3+.
NO3-.
Ca2+.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sắp xếp tính base của NaOH, Mg(OH)2, Al(OH)3 theo chiều giảm dần là:
NaOH, Mg(OH)2, Al(OH)3
Al(OH)3, Mg(OH)2, NaOH
Mg(OH)2, Al(OH)3, NaOH
Mg(OH)2, NaOH, Al(OH)3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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