O-S : Đề1
Quiz
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Chemistry
•
10th Grade
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Practice Problem
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Medium
Trần Thị Duyên
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83 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cấu hình electron lớp ngoài cùng của nhóm Oxi – Lưu huỳnh là:
ns1
ns2
ns2np4
ns2np5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Các nguyên tố nhóm Oxi – Lưu huỳnh thuộc nhóm:
IA
IIA
VIA
VIIA
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vị trí của nguyên tố X (Z=8) trong HTTH:
Chu kì 2, nhóm IVA
Chu kì 2, nhóm VIA
Chu kì 3, nhóm IVA
Chu kì 3, nhóm VIA
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Liên kết trong phân tử O2 là:
Liên kết cộng hoá trị không cực
Liên kết cộng hoá trị có cực
Liên kết cho nhận
Liên kết ion
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất X là nguyên liệu ban đầu trong ngành sản xuất axit sunfuric, màu vàng, có 2 dạng thù hình X , X . Chất X là gì?
FeS
FeS2
S
H2S
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chất nào sau đây gọi tên không đúng:
H2S (hidro sunfua)
SO3 (lưu huỳnh oxit)
H2SO3 (axit sunfurơ)
H2SO4 (axit sunfuric)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oxi chiếm khoảng bao nhiêu phần trăm không khí:
20%
15%
25%
30%
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