Chemistry, 18.10.2021 14:00 changemyfate69

Trong nguyên tử X có tổng số các hạt là 46 . Số hạt mang điện nhiều hơn số hạt không mang điện là 14

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Trong nguyên tử X có tổng số các hạt là 46 . Số hạt mang điện nhiều hơn số hạt không mang điện là...

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