Chemistry, 25.07.2021 14:00 epicriderexe

Nguyên tử của nguyên tố X có tổng 3 hạt p, n,e là 13
tìm ra A, Z

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Nguyên tử của nguyên tố X có tổng 3 hạt p, n,e là 13
tìm ra A, Z...