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Chemistry, 03.10.2021 23:00 demarcuswiseman
Nguyên tử X có tổng số hạt là 43.biết trong hạt không mang điện nhiều hơn số hạt mang điện là 1
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Nguyên tử X có tổng số hạt là 43.biết trong hạt không mang điện nhiều hơn số hạt mang điện là 1...
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