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Groups of the Periodic Table

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Uploaded by on Aug 26, 2009

Properties of alkali, alkaline earth and transition metals. Halogens and noble gases.

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LICENSE: Creative Commons (Attribution-Noncommercial-No Derivative Works).

For more information about this license, please read: http://creativecommons.org/licenses/by-nc-nd/3.0/.

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  • 1 full day of Khan Academy > 1 1/2 semester of enr. chem

  • For once, youtube helps me do my homework

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All Comments (127)

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  • You are an absolute legend! Great videos, thanks :)

  • @Jonathanvang14 i know me too

  • lol halogen lamps, that is no mistake.. thanks for the video!!

  • @ERIK31351 i know he was wrong in some parts!!!...but still he can explain very well and he can teach alot of subjects so he is a genius

  • @goldensilverstar ehhehe u better check the word again on dictionary!!....it is aluminum...so he said right...ehhe shame on u!!!

  • 8 isn't the magic number, it could also be 2. And hydrogen can't get 8 electrons and it doesn't need them, it just needs two! You have no idea what your teaching.............

  • caveat... had to look that one up. I love you Khan.

  • He is so concerned with not offending any metals, what a sweet guy ;)

  • gold is the best conductor not silver

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