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Found in: Page 413

### Modern Physics

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

# 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.

See the step by step solution

## 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.