I wondered if this was a typo in the notes given to me. I haven’t come across notation like this before:

Branching — steps in which number of radicals increases (can lead to explosion)

$$\ce{H^. + O2 -> OH^. + O^{..}}$$

  • 6
    $\begingroup$ Alone, the oxygen atom has always two separated uncoupled electrons. It never lasts a long time like this, but It has two doublets and two independent electrons in the outer shell. This makes a total of $6$ electrons. On the other hand, the molecule $\ce{O2}$ is a double radical, with one free electron on either Oxygen atoms.. $\endgroup$ – Maurice Apr 27 at 16:16
  • $\begingroup$ Ahh, that makes sense. Thank you so much for this $\endgroup$ – Marina Calder Apr 27 at 16:42
  • $\begingroup$ It's call diradical or biradical, just saying ;) $\endgroup$ – Mithoron Apr 27 at 20:51
  • 1
    $\begingroup$ @MarinaCalder If you got your answer, feel free to self-answer it. Self-answering is always appreciated and it will help future readers. $\endgroup$ – Nilay Ghosh May 8 at 10:15

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