Hóa cuối kì I
Quiz
•
Physical Ed, Physics
•
University
•
Hard
LengKeng
Used 2+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
HI < HCl < HBr < HF
HI < HBr < HCl < HF
HCl < HI < HBr < HF
HI < HBr < HF < HCl
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
lưu huỳnh
iot
flo
õi
3.
OPEN ENDED QUESTION
1 min • 1 pt
Trong phân tử CO2 số cặp e dùng chung là:
Evaluate responses using AI:
OFF
Answer explanation
4
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Nguyên tố X có 2 electron hóa trị, nguyên tố Y có 5 electron hóa trị. Công thức hợp chất tạo ra từ X và Y là
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
điện hóa trị của natri trong NaCl là
1+
+1
1
1-
6.
OPEN ENDED QUESTION
1 min • 1 pt
Evaluate responses using AI:
OFF
Answer explanation
5,376
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
trong 1 chu kì, đi từ trai sang hải thì hóa trị cao nhất của các nguyên tố trong hợp chất với oxi:
tăng dần từ 1 đến 7
giảm dần từ 7 xuống 1
không đổi và bằng 8 - STT nhóm
tăng lần lượt từ 1 đến 4
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