Mathematics, 03.09.2021 05:20 les6965

Nguyên tử của nguyên tố X có tổng số hạt là 52 và có số khối là 35.Tìm số hiệu nguyên tử của nguyên tố X

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Nguyên tử của nguyên tố X có tổng số hạt là 52 và có số khối là 35.Tìm số hiệu nguyên tử của nguyên...

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