I love this guys explanations so much! He goes slowly and speaks clearly. I also appreciate how he gives a LOT of examples. He is a MUST watch for all chem students. Thanks for helping me pass chem! Can't wait to be done after the final!
Most professors are arrogant they are hired based on their qualifications and their main focus is their research meanwhile teaching requires communication skills along with dedication.
the introduction was crazy, "How can Hydrogen (Atomic Mass = 1) be bigger than Helium (Atomic Mass = 4) when Helium is more mass-ive than Hydrogen." I was glued to the screen after than statement.
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I literally fell in love, this was explained so clearly, I'm so glad I found his channel, if you really feel like the chemistry isn't sticking, watch him, he explains it without using convoluted words all while using the definitions amazing. I have hope that I'll catch up to my understanding of chemistry 1 & 2 before my next year at college, seriously thank you for doing this for free 🙏🙏🙏🙏
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Notes (random): Atomic Radii- As you go down a group, the atom adds more energy levels, therefore increasing the atomic radius. According to Coulomb’s law, distance and force of attraction are inversely related. If you increase the distance of the valence electrons to the nucleus, the pull the nucleus has on the valence electrons is reduced. The valence electrons are also repelled by the shielding electrons. Ionic Radii- Cations have less electrons, therefore less electron shells. This makes them significantly smaller than the parent ion. As the size of charge increases, the size of the atom decreases. Anions are larger than the parent atom because there are more electrons. This increases the repulsion, therefore increasing the ionic radius. As you go down a group, the number of electron shells increases, therefore the size of the ion increases. For isoelectronic ions, the ion with the higher amount of protons has the lower ionic radius. As you increase the number of protons in a radius, the FOA between the nucleus and the electrons increases. This pulls the electrons closer together, reducing the size of the atom. Isoelectronic- same number of protons and same electron configurations Electronegativity: -The ability of an atom to attract an electron towards itself -Florine is the most electronegative element (4.0). -Electronegativity increases as you go up a group and towards the right of a period. -Non-metals are more electronegative than metals (higher electronegativities) -Ionization Energy: The ability to remove an electron from a atom. Metals tend to have a lower ionization energy compared to non-metals since they like to loose electrons (become cations). On the other hand, non-metals like to gain electrons (become anions) so it’s harder to take one away. -ionization energy increases as you travel left to right. The electrons stay on the same energy level, however, more protons are being added. This increases the effective nuclear charge, which means the nucleus would have a harder pull on each individual electron. This means more energy would be required to remove a single electron. -As you go down a group, the ionization energy decreases because the distance between the valence electrons and the nucleus is increased. Electron Affinity (kj)- The energy change that occurs after a neutral atom gains an electron
Professor Organic Chemistry Tutor, thank you for a massive analysis into Ionization Energy , Electron Affinity, Atomic Radius, Ionic Radii, Electronegativity and Metallic Character in AP/General Chemistry. Practice Problems, Visualization, and Drawing the Electron Shells of an element increases my knowledge and deep understanding of the material. This is an error free video/lecture on UA-cam TV with the Organic Chemistry Tutor.
Thank u soo much for taking your time out to make this video, I fell asleep in my chemistry zoom class so this really helps. You literally explain the whole topic.
This video was very much so helpful, I have a test coming up , I was so lost & confused before watching this video, now I am confident In taking my test & excited!!
Thank you so much... I took me three days because of my laziness but I am so grateful this was there. I have exam in a week and I am slowly covering up because of you.
Taking organic chemistry this summer and my professor made me so confused about how the atom works and we have to think outside the box on its fundamental thinking on how and why atom reacts certain ways for protons and the whole thing with the distance and force and number of electrons and I was just not getting it. My proof was too vague and make me have a headache. I thank you for this video and I was able to take notes and understand the concept and the explanation is the best. Very helpful indeed! I'll be reviewing much of my class materials by your videos. :D
Thanks a million JG! I don’t know what I would have done without your video. You cover topics end to end. PLEASE TEACH TO CALCULATE PH WITHOUT USING THE CALCULATOR. PLEASE TEACH MORE ABOUT QUICK MATH DURING TESTS THAT DOES NOT ALLOW CALCULATOR IN CHEMISTRY 🙏🙏🙏🙏🙏
Lo Tavares good question. check out this little secret to the periodic trend that will help clear things up twitter.com/itsdewon/status/815968771726831617?s=09
I have no idea to this video it help me to understand the topic. You are very brilliant men. I asked you to do more video in more topics. Thank you very much.
Thanks for your easy to understand videos. Periodicity one of the topics I have had difficulties with. Your video is highly appreciated. One of the standardized tests asked the student to predict which element on Periodic Table is likely to be a liquid. Which periodic characteristic is being tested by this question?
Well done.., but at around 31:00-32:00 u messed things up about electro negativity.....sayin it decreases to the right and increases left wards....but still nice work, learnt so many things from the video...thank u 👍
@@TheToxicMegacolon I'm really struggling in genchem too. But his videos are so helpful, so hopefully between them, Khanacademy, and doing practice problems, I won't fail.
Sir, thank you so much to releasing this vedio , this vedio cleared all my problems in atomic trends and greatly helped me on getting good marks in the unit test
Sir, in have really benefited from teachings since I came across your notes on U tube, but sir I really have problem with qualitative analysis in chemistry. I don't know how to identify cation and anion . I really Want you help me out. Thank you best teacher in the world.
nope. you are thinking of about the electronegativity. the atoms are larger of the metal ones. there is not a lot of elements fighting attracton n repulsion, while the others do so there is more compression
Thank you so much for this video, I really learned a lot. But I do have a clarification in 31:13, about the electronegativity trend when the arrow goes to the right, isn't increasing? I was just confused because in the first part in 27:18 you said that it also increases. Thank you.
i'm a little late but, why is the effect of going up on the groups gratter than the effect of going right on a period when it comes to electronegativity?
Why inner gases have their Atomic radius higher than elements across the period, even though There's a decrease in atomic radius about atom or elements??? Plz help me with a reason
Can someone explain y beryllium has a greater IE than boron. In the video he says that boron has a greater radius than beryllium 47:24, however in other videos he says that boron has a smaller radius so I am kind of confused
Final Exams and Video Playlists: www.video-tutor.net/
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I love this guys explanations so much! He goes slowly and speaks clearly. I also appreciate how he gives a LOT of examples. He is a MUST watch for all chem students. Thanks for helping me pass chem! Can't wait to be done after the final!
love ;)
Not just for chemistry though. He has tutorials on physics and math as well!
Are you alive.
how did you do in the final?
@@yashbaser930 w my mom was like
It's interesting that one guy with a genuine desire to explain this stuff to people does more good than thousands of "professors" put together.
@MRK.EDITZ. tens of thousands
No, MILLIONS.
Most professors are arrogant they are hired based on their qualifications and their main focus is their research meanwhile teaching requires communication skills along with dedication.
26:30 Electronegativity. 34:08 metallic character. 38:21 Ionization Energy. 58:42 electron affinity.
Bless you
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thanks
Thank you! Not all hero's wear capes
legend
the introduction was crazy, "How can Hydrogen (Atomic Mass = 1) be bigger than Helium (Atomic Mass = 4) when Helium is more mass-ive than Hydrogen." I was glued to the screen after than statement.
This guy has changed my entire prospective about chemistry..I used to struggle with chemistry and hated it but now it's my favorite subject
You are the best professor. I use to hate chemistry because it is very confusing but you made it so easier that now it became my favorite subject. You saved my life! Thank you. I scored 100 on exam because of watching your video.
best teacher in the world. theres no teacher like this one
I literally fell in love, this was explained so clearly, I'm so glad I found his channel, if you really feel like the chemistry isn't sticking, watch him, he explains it without using convoluted words all while using the definitions amazing. I have hope that I'll catch up to my understanding of chemistry 1 & 2 before my next year at college, seriously thank you for doing this for free 🙏🙏🙏🙏
Electronegativity : F > O > N > Cl
Electron Affinity : Cl > F > Br > I
You are the best Chemistry Tutor on UA-cam you make everything seem easier and understandable. I will always be honored to watch your videos ,you deserve my versity fees👏😩
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38:21 Ionization Energy
Thaaaaaank you
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The work you've done for the community is legendary
You are contributing a lot to the community by taking the time to do these videos to help a bunch of strangers. Thank you so much!!
He makes money off of them, we're basically paying him to do this
@@Ahmed-ny1xc But it helps us in wonderful ways, so I'm grateful
@hasith mayanga where did I say I wasn't grateful? I am grateful as he's helped me with numerous college exams
@@Ahmed-ny1xc so what? lol. If you're really good at something, never do it for free. He's helping millions of people and deserves all the money in the world.
He is helping people on planet earth. People are not strangers. We label everything on planet earth. This is one of the great minds on UA-cam.
Notes (random):
Atomic Radii-
As you go down a group, the atom adds more energy levels, therefore increasing the atomic radius. According to Coulomb’s law, distance and force of attraction are inversely related. If you increase the distance of the valence electrons to the nucleus, the pull the nucleus has on the valence electrons is reduced. The valence electrons are also repelled by the shielding electrons.
Ionic Radii-
Cations have less electrons, therefore less electron shells. This makes them significantly smaller than the parent ion. As the size of charge increases, the size of the atom decreases. Anions are larger than the parent atom because there are more electrons. This increases the repulsion, therefore increasing the ionic radius.
As you go down a group, the number of electron shells increases, therefore the size of the ion increases.
For isoelectronic ions, the ion with the higher amount of protons has the lower ionic radius. As you increase the number of protons in a radius, the FOA between the nucleus and the electrons increases. This pulls the electrons closer together, reducing the size of the atom.
Isoelectronic- same number of protons and same electron configurations
Electronegativity:
-The ability of an atom to attract an electron towards itself
-Florine is the most electronegative element (4.0).
-Electronegativity increases as you go up a group and towards the right of a period.
-Non-metals are more electronegative than metals (higher electronegativities)
-Ionization Energy:
The ability to remove an electron from a atom.
Metals tend to have a lower ionization energy compared to non-metals since they like to loose electrons (become cations). On the other hand, non-metals like to gain electrons (become anions) so it’s harder to take one away.
-ionization energy increases as you travel left to right. The electrons stay on the same energy level, however, more protons are being added. This increases the effective nuclear charge, which means the nucleus would have a harder pull on each individual electron. This means more energy would be required to remove a single electron.
-As you go down a group, the ionization energy decreases because the distance between the valence electrons and the nucleus is increased.
Electron Affinity (kj)-
The energy change that occurs after a neutral atom gains an electron
God bless xxx
may we pass this semester 🧘
omg thank you so much you have no idea how much this helped 😭
ayoo thanks for this . good summary
Thank you bestie
Professor Organic Chemistry Tutor, thank you for a massive analysis into Ionization Energy , Electron Affinity, Atomic Radius, Ionic Radii, Electronegativity and Metallic Character in AP/General Chemistry. Practice Problems, Visualization, and Drawing the Electron Shells of an element increases my knowledge and deep understanding of the material. This is an error free video/lecture on UA-cam TV with the Organic Chemistry Tutor.
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Thank u soo much for taking your time out to make this video, I fell asleep in my chemistry zoom class so this really helps. You literally explain the whole topic.
This video was very much so helpful, I have a test coming up , I was so lost & confused before watching this video, now I am confident In taking my test & excited!!
he's the reason why I'm passing them in uni
Hi Julia Naterer
How’s uni been going?
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Mcat ye thats where it was at until that bitch Theresa May banned it...God
Thank you so much... I took me three days because of my laziness but I am so grateful this was there. I have exam in a week and I am slowly covering up because of you.
26:30 Electronegativity
58:42- electron affinity
arigato desu
Arigato gusaiimasu
Bruh this guy is on every subject i watched him for my ICT,maths test and aced those tests
Thank you!!
Radii? More like “The educational value is high!” Thanks so much for taking the time to make and share all of these really high-quality videos!
You are the best chem Tutor ever!!!
Taking organic chemistry this summer and my professor made me so confused about how the atom works and we have to think outside the box on its fundamental thinking on how and why atom reacts certain ways for protons and the whole thing with the distance and force and number of electrons and I was just not getting it. My proof was too vague and make me have a headache. I thank you for this video and I was able to take notes and understand the concept and the explanation is the best. Very helpful indeed! I'll be reviewing much of my class materials by your videos. :D
this is the single most useful channel on youtube
words can't put into perspective how much you have saved me.
what i like the most he doesnt ask us to subscribe neither at starting nor at end .
Best science teacher. Your teaching is understandable
Thanks a million JG! I don’t know what I would have done without your video. You cover topics end to end. PLEASE TEACH TO CALCULATE PH WITHOUT USING THE CALCULATOR. PLEASE TEACH MORE ABOUT QUICK MATH DURING TESTS THAT DOES NOT ALLOW CALCULATOR IN CHEMISTRY 🙏🙏🙏🙏🙏
One of the best videos at youtube! Thanks for the great work, man, it helps a lot! Greeting from Brazil
Your back must really hurt by carrying all my chemistry course
this is so great I couldn't have understood anything without you
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so then if we have B, Te, Ca, Ba, and F, it would be F
talking about atomic radius
Lo Tavares good question. check out this little secret to the periodic trend that will help clear things up twitter.com/itsdewon/status/815968771726831617?s=09
I have no idea to this video it help me to understand the topic. You are very brilliant men. I asked you to do more video in more topics. Thank you very much.
Thanks for your easy to understand videos. Periodicity one of the topics I have had difficulties with. Your video is highly appreciated. One of the standardized tests asked the student to predict which element on Periodic Table is likely to be a liquid. Which periodic characteristic is being tested by this question?
Thanks so much.I really hated chemistry but you made it seem a lot easier.God bless you.
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Video has never been so helpful tysm 😿😿😿
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Tysm you're the best teacher 💗🙏🏻💗i only pass in chem because of you i watch your vidoes before exams and i understand a lot than the classes i attend
Reasons why you tube is better than real life strict teachers
That was a helpful video Thumbs Up😊😊
perfect timing for this video :)
Thanks man one video - one chapter completed good job
feeling satisfied by ur explanation thanks and be blessed
Well done.., but at around 31:00-32:00 u messed things up about electro negativity.....sayin it decreases to the right and increases left wards....but still nice work, learnt so many things from the video...thank u 👍
Gosh I shouldn't have skipped regents Chem in High school, I'm struggling with the basics and there are so many exceptions which drive me nuts.
back for the mcat lmao, I still hate genchem
@@TheToxicMegacolon let me know how the mcat went.
@@TheToxicMegacolon I'm really struggling in genchem too. But his videos are so helpful, so hopefully between them, Khanacademy, and doing practice problems, I won't fail.
I'm glad I still have a couple years left until the MCAT. Time goes by too quickly
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What imagination... the one who imagined the concept is really a genius...
31:30 he messed up there, flipped left and right
cool guy yeah
Yes
Simple English and simple explanation
God bless you 🤍
Thank you soo so much just spent my afternoon watching this video and it helped me understand so much!!
Sir, thank you so much to releasing this vedio , this vedio cleared all my problems in atomic trends and greatly helped me on getting good marks in the unit test
Genius bro! I take chemistry this summer and it's definitely helping! :)
Thank you so much, I now understand the topic♥️. I truly appreciate 🙏
I love your explanation. May God give you more knowledge.
Sir, in have really benefited from teachings since I came across your notes on U tube, but sir I really have problem with qualitative analysis in chemistry. I don't know how to identify cation and anion . I really Want you help me out. Thank you best teacher in the world.
31:45 the electronegativity doesn't decrease as you go from left to right, it increases
shake my hande its an honor to meet u men thanks.
25:21 I thought the elements on the right side is larger than the left side. How come the bigger one is mg than o?
nope. you are thinking of about the electronegativity. the atoms are larger of the metal ones. there is not a lot of elements fighting attracton n repulsion, while the others do so there is more compression
Thank you for taking the time to explain this!
I loved the explanation ,, it was just so awesome 👌
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i passed my chem exam. thank you.
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Thank you so much for this video, I really learned a lot. But I do have a clarification in 31:13, about the electronegativity trend when the arrow goes to the right, isn't increasing? I was just confused because in the first part in 27:18 you said that it also increases. Thank you.
This guy is well explaining
49:27 Why doesn't it (pairing-->repulsion-->ionization energy goes down) apply to other atoms like hydrogen and helium?
Excellent explanations I now understand the topic thank you so much🙏
34:08 metallic character
I don't know your name, but no problem & thank you so much for your videos 🔥
& I'm from Sri Lanka
You really teach me chemistry
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Hello can you help me real quick? Is boron have higher electron affinity than nitrogen or not? 😁
No. Nitrogen is higher
SUPERB LESSON 🙏
I m a lover of chemistry
i'm a little late but, why is the effect of going up on the groups gratter than the effect of going right on a period when it comes to electronegativity?
same, I was looking through the comments for someone commenting about this. I am confused also.
@@davidankrapp7773 thank you so so much!!!! bless you
Thank you so much , your videos are so helpful 🙂❤❤
Why inner gases have their Atomic radius higher than elements across the period, even though There's a decrease in atomic radius about atom or elements??? Plz help me with a reason
Can someone explain y beryllium has a greater IE than boron. In the video he says that boron has a greater radius than beryllium 47:24, however in other videos he says that boron has a smaller radius so I am kind of confused
It is easier to take away the unpaired p orbital electron away from B than to unpair and take 1 of the 2s electrons from Be
if I take electrons from francium which requires low energy
and put this electron in Florine which gives a lot of energy
Does this create energy?