
Hóa 9 Giữa học kì II
Authored by Bé KhangDJ
Chemistry
9th Grade
Used 1+ times

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34 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mỗi nguyên tố hóa học được xếp vào một …….trong bảng tuần hoàn.
A. ô
B. nhóm
C. chu kì
D. cột
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho ô nguyên tố Magie
Thông tin 1,2,3,4 lần lượt là:
A. tên nguyên tố, kí hiệu nguyên tử, số hiệu nguyên tử, nguyên tử khối
B. số hiệu nguyên tử, nguyên tử khối, kí hiệu nguyên tử, tên nguyên tố
C. kí hiệu nguyên tử, số hiệu nguyên tử, nguyên tử khối , tên nguyên tố
D. số hiệu nguyên tử, kí hiệu nguyên tử, tên nguyên tố, nguyên tử khối
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nguyên tố X thuộc nhóm IV. Nguyên tử X có số electron ở lớp ngoài cùng là:
A. 6
B. 5
C. 7
D. 4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho mô hình nguyên tử nguyên tố X:
X thuộc chu kì mấy trong bảng tuần hoàn các nguyên tố hoá học?
A. 1
B. 2
C. 3
D. 4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hợp chất nào sau đây là hợp chất hữu cơ ?
A. Ca(HCO3)2
B. NaCl.
C. NaNO3.
D. C2H6O.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy các chất nào sau đây đều là hiđrocacbon ?
A. C2H6, C4H10, CH4.
B. CH4, C2H2, C3H7Cl.
C. C2H4, CH4, C2H5Br.
D. C2H6O, C3H8, C2H2.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy các chất nào sau đây đều là hiđrocacbon ?
A. C2H6, C4H10, CH4.
B. CH4, C2H2, C3H7Cl.
C. C2H4, CH4, C2H5Br.
D. C2H6O, C3H8, C2H2.
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