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