Liquid helium(atomic weight 4.003) has a density r= 0.13 g/cm3.Estimate the radius of a He atom, assuming that the atoms are packed in the densest possible configuration, which fills 74% of the space.()。
2024-01-13
Liquid helium(atomic weight 4.003) has a density r= 0.13 g/cm3.Estimate the radius of a He atom, assuming that the atoms are packed in the densest possible configuration, which fills 74% of the space.()。
A.1.3 nm
B.0.5 nm
C.134.7 nm
D.20.8 nm
参考答案:
20.8 nm
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