
Khoi luong theo bang tuan hoan
Quiz
•
Chemistry
•
7th Grade
•
Practice Problem
•
Easy
Seo Tran
Used 2+ times
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25 questions
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1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
H (Hydrogen). Nguyên tử khối
2.
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1 min • 1 pt
C (Carbon) nguyên tử khối?
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
N (Nitrogen) nguyên tử khối?
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
O (Oxygen) nguyên tử khối?
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
F (Fluorine) nguyên tử khối?
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Na (Sodium) nguyên tử khối?
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Mg (Magnesium) nguyên tử khối?
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