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AP Chemistry: Atomic Theory 1

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Uploaded by on Jan 4, 2008

Over 200 videos, reshot in HD, now available at www.chemguy.com for just a donation! This clip: Chemguy begins with energy, waves, and Planck's constant.
Donations welcome at www.chemguy.com

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Education

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Uploader Comments (bannanaiscool)

  • Well, if electrons don't orbit, as such, then centrifugal force is out. I think that the strong force may be something that will always be difficult to understand/explain/discover.

  • QUESTION: If electrons are attracted to the nucleus, why don't they just smash into rather than circling around it????

    Please Help!!!

    Thanks in advance!

  • First of all, they don't circle it. We don't know what they're doing. Second of all...well...see first of all...we don't know why they don't collapse in, but some atoms, like Hg do have "electron capture" as a feature.

  • Thank you, Sylvia, my dear. I hope you have a great semester, and I hope to see you in December!

    Mr.PbEr2

Top Comments

  • i wish he was my father... ill be a genius in chemistry

  • ur the future lol

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All Comments (40)

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  • hello sir! : i have a question.... i am really confused between the electro static forces of attraction not in the atom itself but between bonds please briefly answer me because every thing is mixedup in my mind

  • @goldensleeves

    The force of a moving electron is greater than electrostatic interaction with the proton. F=ma, we know electrons move at the speed of light therefore F is assumed to be larger than the force between two opposite charges, which is F=kq1q2/r2.

  • Chemguy and Khanacademy are the best in Chemistry teaching on youtube

  • I just can't get over how clearly you explained this... I've been through gr12 Physics and am finishing gr12 chem, and I've never understood this better than after watching this! Thank you!!!!!

  • he's the AP chem teacher at my school

  • @goldensleeves b/c the negative charge of each electron repels each other from going any closer to the nucleus which somewhat explains the existance of electron shells

  • This is great! Having you in a classroom must be fun.

  • @bannanaiscool its like the solar system, as the plants orbit the sun by gravity.

  • your great! love ur energy .. its 1am and im watching this..

  • @bannanaiscool What i have read is that they dont collide due to some sort of "binding" energy

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