Chemistry, 16.09.2021 09:10 stichgotrich849

Nguyên tử X có tổng số hạt proton, notron, electron là 36.trong đó số hạt mang điện gấp 2 lần số hạt không mang điện . Xác định số hạt mỗi loại và nguyên tử khối của X. Xác định nguyên tố X

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Nguyên tử X có tổng số hạt proton, notron, electron là 36.trong đó số hạt mang điện gấp 2 lần số hạt...

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