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Modern Physics
Found in: Page 413
Modern Physics

Modern Physics

Book edition 2nd Edition
Author(s) Randy Harris
Pages 633 pages
ISBN 9780805303087

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Short Answer

It takes less energy to dissociate a diatomic fluorine molecule than a diatomic oxygen molecule (in fact, less than one-third as much). Why is it easier to dissociate fluorine?

Because it has less number of covalent bonds.

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Step by Step Solution

TABLE OF CONTENTS :
TABLE OF CONTENTS

Understanding Of Dissociation Energy

Dissociation energy is a measure of the strength of a chemical bond and is defined as the energy needed to break the bond.

Comparison between Oxygen and Fluorine

It is easy to dissociate fluorine molecules than to dissociate oxygen molecule because fluorine molecule has only one covalent bond but oxygen has two covalent bonds. It requires more energy to break two covalent bonds than one.

Hence, it is easier to dissociate fluorine.

Most popular questions for Physics Textbooks

Question: From the qualitative shapes of the interatomic potential energies in Fig. 10.21, would you expect the vibrational level in the excited electronic state to be spaced the same. Farther apart, or closer together than those in the lower energy electronic state? Explain what about the rotational levels?

In Figure 10.24, the band n = 1 ends at k=4πL, while in Figure 10.27 it ends at πa. Are these compatible? If so, how?

From the diagrams in Figure 7.15 and the qualitative behavior of the wave functions they represent, argue that a combination of the 2pZ (i.e., ml=0 ) and the negative of the 2s would produce a function that sticks out preferentially in the positive Z direction. This is known as a hybrid sp state.

Question: - A semimetal (e.g., antimony, bismuth) is a material in which electrons would fill states to the top of a band the valence band--except for the fact that the top of this band overlaps very slightly with the bottom of the next higher band. Explain why such a material, unlike the "real" metal copper, will have true positive charge carriers and equal numbers of negative ones, even at zero temperature.

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