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All Comments (193)
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I skip lectures to watch Khan Academy videos.
Thank you so much for the videos, really appreciate it!
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=^-^= Sn is tin
<3
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What coincidence he actually used the color of Kryptonite I wonder if he is a superman fan.
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lol pause at 3:24 for figures that look like pacman!! how this guy adds video game characters into chemistry i dunno! but it's a win!
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@hodenboden valence electrons are the shit in the outer orbitals which determine the shit that happens when the shit reacts, it also has a lot to do with covalent shit and the shit configurations.. understand the shit?
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Sal, how on this great planet do you know so much?
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Valence eletrons are not only those on the outer shell.
"The valence electrons are instead defined as those outside a noble-gas core"
(Wikipedia: wikipedia(dot)org/wiki/Valence
_electron) -
@Breyerlov mass- atomic number .. you always subtract a smaller number from the bigger one ;)
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Sn is tin not selenium ....
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Perhaps atoms want to have 8 electrons because of two per dimension. x,y,z,n ?
Striking a nice balance forming the outermost shell?
Hmmmmmmmm.......
lol "if you dont trust me.." Dear Khan we will believe anything you say
jbnshah 6 months ago 44
thats a pretty flower you drew
MrHaponese 4 months ago 18