wow, thank you. Im in college and have yet o fully understand Lewis Structures. I think i do now. Thanks so much. Your a great chemistry teacher.
videos out of time with audio and stops half way through, still helpful though
reaaallly helped! thnx so much. my own chemistry teacher couldnt even explain to me how to figure out how to get "a:available", in nasl, so i had to research myself & come across this video and now i finallly know =)
What a fake doesn't even work.
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