Ôn tập chủ đề: Phân tử
Flashcard
•
Chemistry
•
8th - 9th Grade
•
Practice Problem
•
Easy
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17 questions
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1.
FLASHCARD QUESTION
Front
Công thức hóa học của khí oxi
Back
O2
2.
FLASHCARD QUESTION
Front
Công thức hóa học của các đơn chất:
Back
N2, O2, Fe, Ag
3.
FLASHCARD QUESTION
Front
Phân tử khối của NaCl
Back
58,5 đvC
4.
FLASHCARD QUESTION
Front
Phân tử khối của MgO
Back
40 đvC
5.
FLASHCARD QUESTION
Front
Hóa trị của H
Back
I
6.
FLASHCARD QUESTION
Front
Công thức hóa học của nước vôi trong là Ca(OH)2. Số nguyên tử O trong 1 phân tử?
Back
2
7.
FLASHCARD QUESTION
Front
Công thức hóa học của nhôm sunfat là Al2(SO4)3. Số nguyên tử O trong 1 phân tử?
Back
12
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