Thumbs up if you have a test coming up. Edit (5 years later): If anyone is wondering, I'm now employed full time as scientist and love my job. You're all gonna make it in life. Keep grinding in college!
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I searched through tons of videos to find something explaining if how a molecule was polar or non polar, this video was the last one I needed because it helped so much, due to the fact that it was quick and showed easy ways to find its polarity. THANK YOU & keep up the good work
B doesnt have 8 electrons around it its an exception(it only needs 6 electrons) , i think the rest of the elements needs 8 electrons. therefor it DOESNT have the lone pair to form a trigonal pyramidal,it will form a trigonal planer . N needs 8 so therefore i will have a lone pair of electrons which WILL form a trigonal pyramidal
hanna issa BF3 is a trigonal planar (2Dim.) molecule with no unbonded pairs of electrons. In NH3 the N atom has sp3 hybridization, making it a 3Dim. tetrahedron. Tetrahedral atoms have, potentially, up to four bonding locations. In NH3, three of those locations on the nitrogen are occupied by hydrogen atoms. The fourth location is occupied by a pair of unbonded electrons. The unbonded pair tends to push the other bonded pairs away. The unbonded pair has a very strong negative aspect, whereas the negative aspect of the other three bonded pairs are "diluted" by the more positive hydrogen atoms to which they are connected. Therefore, the end of the NH3 molecule with the unbonded pair will be more negative than the opposite end. This makes the molecule polar.
Dion Advincula water polar because one side is more negative than another, the hydrogens want to give their electrons to oxygen due to its higher electronegativity. when something is polar it has a side that’s more negative than the others and because oxygen is more negative then the hydrogens it forms a point of negativity. O < H ^ H
I didn't understand what my teacher is discussing about polar and nonpolar until I found this video and now I was able to understand polar and nonpolar. Thanks to this man, a lot.
yeah? really? what does it actually mean polar vs non-polar. why do we even care? why did chemists ever care to distinguish molecules based on this criteria? does not explain this at all. probably helped you pass some exam and just forget about it all. mechanical teaching and learning at its best!
chloe i’m going to need to choose between chem and physics by the end of this year and i still don’t know what to choose honestly. everybody’s telling me that physics are way too hard and that i won’t find work. i actually love them both but i prefer physics but i feel like i’m obliged to choose chem somehow:(
@@simmy4619 if i'm not mistaken, polar and non-polar are just for covalent, so ionic bond is neither of them.. ionic is charged while polar and non-polar are partially charged ( that's why it is delta + or delta - ).. correct me if i'm wrong
@@heyheyheyhey376 ahh that makes sense. I think you’re right. So if the EN difference is equal to or greater than 1.7, it’s not sharing electrons, rather using the give and take method
Polar and non polar bonds do not equate to polar and non polar molecules. Polar bonds can be a polar or a non polar molecules, whereas non polar bonds is only non polar molecules.
@@heyheyheyhey376 But how can I calculate for Ethanol? I know Ethanol is non-polar.....but how should I calculate this like other covalent bonds by electronegativity?
I just came from a recent video and all I could say is "he grew" OUR GUY GREW!! (motherly-tears) His voice, his speaking, his explanation, overall HIM 😭 god bless!
Hi there! I know you probably get a lot of comments and messages but I just wanted you to know that you're great at explaining ideas and topics!!! Super helpful! I just want to thank you for putting videos like this out there because sometimes it is just so hard trying to understand and keeping up with the professors at the universities! I appreciate your time and effort!!! Thank you! Thank you!!
This helped me so much. I havent taken the first installment of chemistry in years and am currently in the second installment, having forgotten most of what I learned years ago. Thank you so much!!
If your main atom (like C in CH4) has got disconnected electron pairs your molecule is Polar because the distribution of electron charge on its molecule is not the same And if the atoms around your main atom are different then your molecule is also polar Just in case if you need it guys! Don't forget to draw the Lewis Structure 😉
Thanku .... It was really helpful ... earlier I was unable to distinguish between these two bt now it proved really beneficial for me ... Again thanku so much
Literally, have an organic chem exam tomorrow and I literally forgot that you could do this to figure out if a compound is polar or non-polar... THANK YOU SO MUCH OMG
could you make a video explaining what polar and non-polar exactly means I know in your video you explain how to identify it but it would be nice if you explained what all of it means thanks
i hope all the good things come into your life. you're saving so many lives just by teaching us one of the hardest subjects we could ever encounter. super thanks! i'm currently reviewing for a college entrance exam. whether i pass or not, i owe part of my life to you. always have a great day!
When you say that the molecule is symmetrical it is non-polar, how so? Because something like CF4 would have a tetrahedral shape which contains 2 bonds in the same plane, 1 going out of the page and 1 going into the page so it wouldn't be symmetrical. Please can you clarify what you mean by symmetrical? Thanks
tetrahedral is a symmetrical shape as if you cut a tetrahedron from any point passing through its axis you will get a congruent part of it , now talking about polarity : the vector sum of three bonds is equal and opposite to the 4th bond thus it is non -polar
@@nicolasa4life BH3 boron is in group 3 so there are no lone pairs and it's symmetrical. but PCl3 has lone pairs since phosphorus is in group 5 and that makes 3 bond pairs and one lone pairs of electrons. So it is not symmetrical.
Molecular Geometry - Free Formula Sheet: bit.ly/3YgxHkf
Chapter 8 - Video Lessons: www.video-tutor.net/chemical-bonding.html
Phosphorus pentachloride is non polar...while phosphorus Trichloride is polar molecule but you mistakenly spoken It is non polar..
U are the best teacher of chemistry I wish I were your student cuz our teacher didn’t teach us this deeply
Thumbs up if you have a test coming up.
Edit (5 years later): If anyone is wondering, I'm now employed full time as scientist and love my job. You're all gonna make it in life. Keep grinding in college!
Got a final tomorrow
Finna have a test in 30 min
@@Donuk_ lmao how was it?
@@paul33334 how'd ya do
Easy as they come
This guy still saving lives in 2020
edit : ok ok 2021 and 2022 tooo
Ong
Yeah HAHAHHAHAH mahh exam iss coming up soon
Yessir
Are you alive
even in 2021 !!
Manz helping us even though he's sick, a blessing he is
To the teacher running this page, Hope you get everything you want and need in life and you find all the happiness in this world. Thank you from literally every student who googled their doubt and ended up finding your page!!
I add to that
LMAOOOO
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bro he is better than some coaching teachers. Not gonna lie.
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True true
He sounds like Cisco from the flash
If I knew this stuff as well as him I’d be excited too
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@Archit, he sounds like Rene (wild dog) from arrow
I searched through tons of videos to find something explaining if how a molecule was polar or non polar, this video was the last one I needed because it helped so much, due to the fact that it was quick and showed easy ways to find its polarity. THANK YOU & keep up the good work
No Problem
The Organic Chemistry Tutor why is BF3 non-polar and NF3 is polar?
B doesnt have 8 electrons around it its an exception(it only needs 6 electrons) , i think the rest of the elements needs 8 electrons. therefor it DOESNT have the lone pair to form a trigonal pyramidal,it will form a trigonal planer . N needs 8 so therefore i will have a lone pair of electrons which WILL form a trigonal pyramidal
hanna issa BF3 is a trigonal planar (2Dim.) molecule with no unbonded pairs of electrons. In NH3 the N atom has sp3 hybridization, making it a 3Dim. tetrahedron. Tetrahedral atoms have, potentially, up to four bonding locations. In NH3, three of those locations on the nitrogen are occupied by hydrogen atoms. The fourth location is occupied by a pair of unbonded electrons. The unbonded pair tends to push the other bonded pairs away. The unbonded pair has a very strong negative aspect, whereas the negative aspect of the other three bonded pairs are "diluted" by the more positive hydrogen atoms to which they are connected. Therefore, the end of the NH3 molecule with the unbonded pair will be more negative than the opposite end. This makes the molecule polar.
nita spartan agreed...
There's also the SNAP method. He discussed it but just so you remember,
Symmetry = Non-polar
Asymmetry = Polar
Thank you dude! I am crashing chemistry at a higher level so this is all really new to me haha
WOWWWW! COOOL!!!! THANKSSS!!!!
But wait,,, what about water?
Dion Advincula water polar because one side is more negative than another, the hydrogens want to give their electrons to oxygen due to its higher electronegativity. when something is polar it has a side that’s more negative than the others and because oxygen is more negative then the hydrogens it forms a point of negativity.
O < H
^
H
@@TheVileRuler Thank youuuuuu
Organic Chem tutor had a stuffy nose and he still made this. Thank u!
I didn't understand what my teacher is discussing about polar and nonpolar until I found this video and now I was able to understand polar and nonpolar. Thanks to this man, a lot.
yeah? really? what does it actually mean polar vs non-polar. why do we even care? why did chemists ever care to distinguish molecules based on this criteria? does not explain this at all. probably helped you pass some exam and just forget about it all. mechanical teaching and learning at its best!
After watching this video, I've been given the hope of passing my chemistry test tomorrow. Thank you!!
Mandy Lam did you pass?
You should study consistently and more harder
@@calvinnaidoo8287 At least he studies, unlike you
Did you pass?
@@axolotlgrrrr uh you were 2 years late
...why did I go into chem
Otaku Child idk😕
Big mood
i got no choice
chloe i’m going to need to choose between chem and physics by the end of this year and i still don’t know what to choose honestly. everybody’s telling me that physics are way too hard and that i won’t find work. i actually love them both but i prefer physics but i feel like i’m obliged to choose chem somehow:(
@@hafeeeda if you like physics, i say go for it!
You can also use Electronegativity Ranges
Nonpolar Covalent = 0 - 0.5
Polar Covalent = 0.5 - 1.7
Ionic = 1.7 - higher
Ionic bonds considered polar or non-polar?
@@simmy4619 if i'm not mistaken, polar and non-polar are just for covalent, so ionic bond is neither of them.. ionic is charged while polar and non-polar are partially charged ( that's why it is delta + or delta - ).. correct me if i'm wrong
@@heyheyheyhey376 ahh that makes sense. I think you’re right. So if the EN difference is equal to or greater than 1.7, it’s not sharing electrons, rather using the give and take method
Polar and non polar bonds do not equate to polar and non polar molecules. Polar bonds can be a polar or a non polar molecules, whereas non polar bonds is only non polar molecules.
@@heyheyheyhey376 But how can I calculate for Ethanol? I know Ethanol is non-polar.....but how should I calculate this like other covalent bonds by electronegativity?
i learned more in this 7 minute video, than i did in 3 weeks of class
nice overtake
lucky my teacher introduced it two days before the quiz
should've payed attention in class then
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FINALLY! THANK YOU ...this has always been a question that teachers seem to make overly complex...youre a great teacher
Hi there! I know you probably get a lot of comments and messages but I just wanted you to know that you're great at explaining ideas and topics!!! Super helpful! I just want to thank you for putting videos like this out there because sometimes it is just so hard trying to understand and keeping up with the professors at the universities! I appreciate your time and effort!!! Thank you! Thank you!!
i watch your vids every time i have a chem test, thank you for saving my grade
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Bro I’m boutta take a test in an hour
fr
Yea
@@Lilskorackhow was it
Watching this in a Chem class
this video is really helpful especially for those who had difficult time identifying polar from non pola molecules and v.v. Keep up the amazing job!
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bro sounds so sick and dead but yet he's still saving lives
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This is the best video that explains the difference between Polar and Non polar. I'm enlightened! ❤️
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i am and yes. and i got a whole lot of work ahead of me.
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this guy saving lives in 2021
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If your main atom (like C in CH4) has got disconnected electron pairs your molecule is Polar because the distribution of electron charge on its molecule is not the same
And if the atoms around your main atom are different then your molecule is also polar
Just in case if you need it guys!
Don't forget to draw the Lewis Structure 😉
This video provides a clear understanding of knowing the difference between polar and non-polar molecule. Thank you for the clear explanation.
Awwe ur the best, even with a cold you did this video on ur free time for us!!!💓💓 you deserve so much appreciation🙌🏻💕💕💕💕
Saving lives in 2022 I am in University and striving from this
Thanku .... It was really helpful ... earlier I was unable to distinguish between these two bt now it proved really beneficial for me ... Again thanku so much
I’m a freshman in high school taking Chemistry 1 and this guy has been the only guy saving me
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Literally, have an organic chem exam tomorrow and I literally forgot that you could do this to figure out if a compound is polar or non-polar... THANK YOU SO MUCH OMG
3:24 you can hear him laughing in the background most likely at how lost I am 😂😂
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This guy saving my life in 2022
could you make a video explaining what polar and non-polar exactly means I know in your video you explain how to identify it but it would be nice if you explained what all of it means thanks
thanks , its 2021 and youre still a life saver
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i hope all the good things come into your life. you're saving so many lives just by teaching us one of the hardest subjects we could ever encounter. super thanks! i'm currently reviewing for a college entrance exam. whether i pass or not, i owe part of my life to you. always have a great day!
Still don’t understand the whole symmetry thing or cancellation
symmetry means unequal
Tech Rogers doesn’t it mean the opposite?
@@Mariusesp no it means equal
@@ebunamarypauline2171 oh right i didnt notice it sry i forgot to write assemtry
This guy still saving lives in 2021
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The king has saved me once again
When you say that the molecule is symmetrical it is non-polar, how so? Because something like CF4 would have a tetrahedral shape which contains 2 bonds in the same plane, 1 going out of the page and 1 going into the page so it wouldn't be symmetrical. Please can you clarify what you mean by symmetrical? Thanks
he means symmetrical as in the outside chemicles ares identicle
tetrahedral is a symmetrical shape as if you cut a tetrahedron from any point passing through its axis you will get a congruent part of it , now talking about polarity : the vector sum of three bonds is equal and opposite to the 4th bond thus it is non -polar
I have the same question. Help.
He didnt draw CF4 right. F downwards is supposed to be a bit to the left
This dude taught me more than what me chemistry teacher taught during class and this was very easy to understand
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@2:07 , Phosphorus Pentachloride** not Trichloride. Indeed, the molecule drawn is nonpolar, but the molecule PCl3 is in fact polar.
Good I have learnt a new information about polar and non polar
Isn’t it symmetrical tho? Because BH3 is symmetrical and non polar?
@@nicolasa4life BH3 boron is in group 3 so there are no lone pairs and it's symmetrical. but PCl3 has lone pairs since phosphorus is in group 5 and that makes 3 bond pairs and one lone pairs of electrons. So it is not symmetrical.
Thank you! My teacher wasn't too cl;ear about this subject and this video helped me a lot!
Who's here in 2024😮
me
Mee
Here
Me at the last moments of 2024
Mee dude
8 years later but he still have our backs🥳🥳
Thanks for the video, this will help me a ton on my test tomorrow!
After many videos this made my concept to an accuracy level! Thank you sooo much.