
Halogen Hoa 10 Shining center
Authored by vũ nguyễn
Chemistry
10th Grade
Used 25+ times

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15 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
Số oxi hóa của chlorine trong các chất Cl2, NaCl, NaClO lần lượt là
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2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Halogen tồn tại ở thể lỏng ở điều kiện thường là
fluorine
bromine
Iodine
chlorine
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Nguyên tố hóa học nào sau đây thuộc nhóm halogen?
Chlorine
Oxygen
Nitrogen
Carbon
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong bảng tuần hoàn, nguyên tố có độ âm điện lớn nhất là
Chlorine
Sodium (natri)
Iodine
Fluorine
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Nguyên tố có tính oxi hoá yếu nhất thuộc nhóm VIIA là
chlorine
Iodine
bromine
fluorine
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Ở điều kiện thường, halogen tồn tại ở thể rắn, có màu đen tím là
Flo
Chlorine
Iot
Brom
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Cấu hình electron lớp ngoài cùng của nguyên tử các nguyên tố halogen là
ns2np2
ns2np3
ns2 np5
ns2np6
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