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ngocdiephoang68
2 năm trước
Các đơn chất của dãy nào vừa có tính chất oxi hóa, vừa có tính khử ? A/. Cl2 , O3 , S3. B/. S8 , Cl2 , Br2. C/. Na , F2 , S8 D/. Br2 , O2 , Ca.
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