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The mass of a proton is()
The mass of a proton is()
A.0.511 MeV
B.1.673× 10-24 g
C.3.344× 10-27 kg
D.10.07 u
正确答案:1.673× 10-24 g
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原子物理
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The mass of a single iron atom is 9.3 × 10–23 g.Determine the number if iron atoms in regular cube that measures exactly 10 cm on an edge.The density of iron is 7.86 g/cm3()。
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