What is the difference between two hydrogen atoms, and one hydrogen molecule?

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What is the difference between two hydrogen atoms, and one hydrogen molecule?

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Answer 1 · 2016-04-19T04:31:49

What is the difference between 2 hydrogen atoms and 1 hyrogen molecule?

Explanation:

$H_{2} \to 2 H \cdot$ $H_2 rarr 2H*$

The standard state of elemental hydrogen is as the dihydrogen molecule, $H_{2}$ $H_2$ . We could add energy to the LHS of the equation above and produce two hydrogen atoms as shown. The $H \cdot$ $H*$ radical is a highly reactive species - of course it could react with another $H \cdot$ $H*$ species (to form what), but it could also react with $C - H$ $C-H$ or $X - X$ $X-X$ bonds to form $C \cdot$ $C*$ and $X \cdot$ $X*$ radicals that continue the chain of reactivity.

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What is the difference between two hydrogen atoms, and one hydrogen molecule?

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