Hóa học và vấn đề bảo vệ môi trường.
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số electron tối đa có thể phân bố trên lớp m là
- Nếu một nguyên tử có 10 electron, lớp M có electron không?
- Phân tích 31
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- Biết 98
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- Biết 2
- Các định luật về chất khí (Boyle-Mariotte, Charles, Gay-Lussac).
- Biết 43
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