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Nguyên tử kẽm có bán kính r = 1,35.10-1 nm, khối lượng nguyên tử là 65u. a) Tính khối lượng riêng của nguyên tử kẽm.
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Nguyên tử kẽm có bán kính r = 1,35.10-1 nm, khối lượng nguyên tử là 65u.
a) Tính khối lượng riêng...
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