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sonlaccompany
2 năm trước
Ion $M^{3+}$ và $X^{2-}$ đều có cấu hình $1s^{2}$$2s^{2}$$2p^{6}$ a)Viết cấu hình của M và X .Xác định vị trí của M và X b)Liên kết giữa M và X là liên kết gì? Hãy giải thik sự hình thành liên kết giữa M và X để tạo thành phân tử.
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