Hóa trị và CTPT

Quiz
•
Chemistry
•
7th Grade
•
Medium
ThuyAi lynguyen
Used 2+ times
FREE Resource
60 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nguyên tố Na có hóa trị bao nhiêu?
I
II
III
IV
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hóa trị của nhóm OH là:
I
II
III
IV
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nguyên tố Oxi có hóa trị trong hợp chất là:
I
II
III
IV
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong hợp chất HCl, hóa trị của clo là:
I
II
III
IV
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hóa trị của nguyên tố Mg là:
I
II
III
IV
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong hợp chất H₂SO₄, nhóm SO₄ có hóa trị:
I
III
II
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hóa trị của nhóm NO₃ là:
I
II
III
IV
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