Question 84: Choose the correct answers in the following sentences:
a. The molecule covalent Van der Waals has links if molecular weight greater the higher the boiling point. In the case of hydrogen, the more links boiling and melting points higher.
B. Link Hydro stronger van der Waals forces, the weaker the remaining links. Especially the influence of the internal molecular hydrogen links as boiling and melting points higher.
C. Van der Waals forces are weak force links substances Van der Waals has links mostly always in gaseous.
D. Links with the strength of metal depends on the lattice structure, which does not depend on the density of free electrons.
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