Chemistry, 27.10.2021 14:00 CatelynBGray

Tổng số hạt p, n, e trong nguyên tử của nguyên tố X nhóm VII A là 28. Tính số hạt n của X.

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Tổng số hạt p, n, e trong nguyên tử của nguyên tố X nhóm VII A là 28. Tính số hạt n của X....

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