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<a accesskey="3" href="page.php?w=diazenylium&amp;p=2">3.Next</a>
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<p><b>Diazenylium</b> is the chemical N<sub>2</sub>H<sup>+</sup>, an <a href="page.php?w=inorganic">inorganic</a> <a href="page.php?w=cation">cation</a> that was one of the first <a href="page.php?w=ion">ion</a>s to be observed in <a href="page.php?w=interstellar_clouds">interstellar clouds</a>.  Since then, it has been observed in several different types of <a href="page.php?w=interstellar_medium">interstellar environments</a>, observations that have several different scientific uses.  It gives astronomers information about the fractional <a href="page.php?w=ionization">ionization</a></p><p>
<a accesskey="3" href="page.php?w=diazenylium&amp;p=2">3.Next</a>
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