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Chemistry, 06.09.2021 14:00 sydneydavis57
một nguyên tử có tổng số hạt cơ bản là 24. Trong hạt nhân số proton bằng số nơ tron. Xác định số khối của nguyên tử đó
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một nguyên tử có tổng số hạt cơ bản là 24. Trong hạt nhân số proton bằng số nơ tron. Xác định số khố...
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