Chemistry, 23.07.2021 17:10 23s40

Tổng số hạt của nguyên tử X là 40 trong đó số hạt mang điện nhiều hơn số hạt E mang điện là 12. a) tìm số hạt p, n,e.

b) tính số khối A của nguyên tử.

c) Vẽ sơ đồ cấu tạo X, cho biết tên X.

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Tổng số hạt của nguyên tử X là 40 trong đó số hạt mang điện nhiều hơn số hạt E mang điện là 12. a)...