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Chemistry, 21.09.2021 01:00 jedmnlp5xuks
Nguyên tử X có tổng số hạt proton, nơtron ở hạt nhân là 27. Trong nguyên tử X tỉ lệ số hạt mang điện so với không mang điện là 13/7 . Xác định tên nguyên tố và viết ký hiệu nguyên tử đầy đủ của X.
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Nguyên tử X có tổng số hạt proton, nơtron ở hạt nhân là 27. Trong nguyên tử X tỉ lệ số hạt mang điện...
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