KHTN ( lý-hóa )
Authored by Nhân Hoàng
Chemistry
7th Grade
Used 3+ times
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40 questions
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1.
FILL IN THE BLANK QUESTION
1 min • 20 pts
Tính phân tử khối của các chất sau: H2SO4
(VD: H2S1: 1x2+32+1=35amu hoặc 35 amu)
2.
MULTIPLE CHOICE QUESTION
1 min • 20 pts
K
kalium
pottassium
potassium
phosphorus
3.
MULTIPLE CHOICE QUESTION
1 min • 20 pts
Tên viết tắc của Nitrogen là gì?
4.
MULTIPLE CHOICE QUESTION
1 min • 20 pts
What is the chemical symbol for Chlorine?
5.
MULTIPLE CHOICE QUESTION
1 min • 20 pts
What is the chemical symbol for Phosphorus?
6.
MULTIPLE CHOICE QUESTION
1 min • 20 pts
Nguyên tố hóa học là tập hợp các nguyên tử cùng loại có...
cùng số neutron trong hạt nhân.
cùng số proton trong hạt nhân.
cùng số electron trong hạt nhân.
cùng số proton và neutron trong hạt nhân.
7.
FILL IN THE BLANK QUESTION
1 min • 20 pts
Tính phân tử khối của các chất sau: SO4(OS3)2
(VD: H2S1: 1x2+32+1=35amu hoặc 35 amu)
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