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Chemistry, 24.09.2021 14:00 kingcory6230
Nguyên tử của nguyên tố X có tổng số hạt 40. Tổng số hạt mang điện nhiều hơn số hạt không mang điện là 12 hạt.
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Nguyên tử của nguyên tố X có tổng số hạt 40. Tổng số hạt mang điện nhiều hơn số hạt không mang điện...
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