We\'ve been talking about Primary and Secondary bonds in class. I\'m not sure ho

Question

We've been talking about Primary and Secondary bonds in class. I'm not sure how to explain the answers.

a. Which type(s) of bond has, at long distances, an attractive force that varies as 1/r2 between atoms?

b. With which type of bonding are valence electrons free to move quickly over large distances?

c. Which type(s) of bond cannot occur in pure solid elements?

d. Which type of bonding occurs between Xe atoms and solid Xenon?

e. Which type(s) of bond is found in solid Si?

f. Which type of bond is the most compliant?

f. Which type(s) of bond is highly directional?

Explanation / Answer

A) Attractive forces at vary assay 1/r2 imply combined ralation between opposite charge. This is the basis for ionic bonding.

B) in metallic bonding the valence electrons are not bound to any particle and are more or less free to drift to the entire metal. They are forming a "sea of electrons "around the metal ions ,as a result the electrons move quickly over large distances ,leading to high elecrical conductivity

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