Câu 1: Cấu hình e lớp ngoài cùng của các nguyên tử các nguyên tố halogen là:
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 1: Cấu hình e lớp ngoài cùng của các nguyên tử các nguyên tố halogen là:
A. ns2np4.
B. ns2p5.
C. ns2np3.
D. ns2np6.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 2: Liên kết trong các phân tử đơn chất halogen là gì?
A. công hóa trị không cực.
B. cộng hóa trị có cực.
C. liên kết ion.
D. liên kết cho nhận.
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