Chemistry, 19.10.2021 14:10 trevorpeterson20
Tổng số hạt của nguyên X 60. Số hạt mang điện gấp đôi số không mang điện . Tinh nguyên nguyên tử X Viết cấu hình e của X ? X thuộc loại nguyên tố , vì sao ? X có tính chất cơ bản gì ?
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Tổng số hạt của nguyên X 60. Số hạt mang điện gấp đôi số không mang điện . Tinh nguyên nguyên tử X V...
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