K8- Hóa trị của nguyên tố
Quiz
•
Chemistry
•
Professional Development
•
Practice Problem
•
Medium
Thái Hà Nguyễn
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15 questions
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1.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Hóa trị của Oxi là?
I
II
III
IV
2.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Lưu huỳnh (S) có nhiều hóa trị là các số chẵn. Hãy chọn đáp án đúng?
I, III, IV
II, IV, VI
II
IV
3.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Hóa trị của H là?
II
III
I
I và III
4.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Hóa trị của Nhôm (Al) là?
I
II
III
II và III
5.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Sắt có 2 hóa trị, hãy cho biết đó là?
I và II
II và III
I và III
III và IV
6.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Hóa trị của Cu cũng chính là hóa trị của O. Hãy chọn đáp án đúng?
I
II
I và II
II và III
7.
MULTIPLE CHOICE QUESTION
5 sec • 1 pt
Na, K, Cl đều có hóa trị là?
II
I
III
Không có đáp án đúng
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