Drawing Lewis diagrams | AP Chemistry | Khan Academy
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- Опубліковано 7 жов 2024
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A Lewis diagram shows how the valence electrons are distributed around the atoms in a molecule. Shared pairs of electrons are drawn as lines between atoms, while lone pairs of electrons are drawn as dots next to atoms. When constructing a Lewis diagram, keep in mind the octet rule, which refers to the tendency of atoms to gain, lose, or share electrons until they are surrounded by eight valence electrons (an "octet"). View more lessons or practice this subject at www.khanacadem...
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I just don't understand why professors can't teach like this..... Thanks a lot
Didnt Understand until you showed it to me, thank you Sal!
We are Studying This in university, Thank You 🙏
11th grade.
Meanwhile me learning these by myself in 10th grade 👁👄👁
meanwhile in 9th grade....
@@geometricalpancake3815 this is really taught in 9th standard in India, I'm 11th class right now revising it again
@@Cosplayinghuman same here
Thanks for all these videos. The math videos is what got me through last year without failing. And now this video is helping me with my upcoming chemistry exam. Thanks!
I won't say that I didn't understand before, because my professor explains it in a way that I can get it, but the class time is limited, therefore it's thrown at us a bit quickly.. we leave, and then forget about half the material. Sal teaches in a different way; another way to understand. It's like Tetris- one teacher fills in a few spots, another fills in the others.. and finally you, as a student, you can place that line (that disappears) deeper into memory.
Thank you!
My teacher butchered this topic, thanks for explaining it so comprehensibly
great video
Learning this in fricking 7th grade
If you learn middle school science through ap videos, you'll certainly have a much easier time in HS :D
@@scarmackd1498 why should I learn it in 11 and 12th grades if I'm going for software developing , WHATS THE USE ?
@@TBA_5854 There's no specific use in your job, but you will have a greater understanding of how the world works around you, and why the things that happen, happen.
Whether that's worth it is up to you, but just because there isn't an obvious use, doesn't mean there's none.
@@scarmackd1498 nah i don't mean like that , if it is not use for me , why this is a criteria for me to master and continue cs ?
@TBA_5854 ah, you mean you're taking required chem for your major.
It seems that someone up there decided that the molecular understanding from basic chem is worth the time, money, and effort it'd take to force CS majors to take the class.
Even if it has nothing directly to do with your major (which I'm not so sure about), it was decided that chem will make you a better person, citizen, and worker.
🔥
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