题目内容
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The proton (the nucleus of a hydrogen) has a mass of 1.67×10-24g. Suppose that its diameter is 1.00×
The proton (the nucleus of a hydrogen) has a mass of 1.67×10-24g. Suppose that its diameter is 1.00×10-13cm. Calculate the density of the nucleus, assuming it is spherical in shape.
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