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  • thank you so much, best tutorial videos on youtube. Im in organic now, this helps alots. god bless you

  • thank you sooo much!! keep uploading, im in orgo now

  • @Sadat417 thank you for pointing this out. While At is indeed a halogen, it does not show up in the standard organic chemistry course due to its radioactive/unstable nature, and so I have excluded it from my explanation

  • Mistake,i think astatine is a holgen as well.

  • Wonderful.

  • Good job.

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