Chemistry, 13.09.2021 14:10 okstyles

Một nguyên tử có tổng số hạt cơ bản là 24.Trong hạt nhân số proton bằng với số notron. Xác định số khối của nguyên tử

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Một nguyên tử có tổng số hạt cơ bản là 24.Trong hạt nhân số proton bằng với số notron. Xác định số k...