Chemistry: Polyatomic ion structures

[vlowgfriends]

In regards to the H30 compound, I don't fully understand why oxygen happens to have lost an electron.

[Ch4rli3heart]

zomg thank you SO much! you have no idea you really saved the day for me

[vijay24garg]

glad you have posted this video

you should have also given the process of constructing these structures instead of just explaining them

[vijay24garg]

glad you have posted this video

[misterfreehugs]

have you gone over polyatomic cations?

[ScarlettSil]

that is so helpful:)thank you:):)

[greent26tube]

You should get outside. The birds are chirping and you can get out and see chemistry in action! Nice video though.

[hniang2]

thank you very much for your video, i try to do them as i watch along and i god all of them right after watching 4 videos!!! you are soo amazing! i have exam tomorrow and i am sure i will do soo well on Lewis structures now:D thank you and God bless:D

[LittleCazzy]

Thank you so much for posting these videos, I under stand Lewis structures a lot better now.

[popcornlover80]

um i dont understand how the NH3 just lost one of hte electrons and became positive? how did it lose the electrons? where did it go? was it b/c of ionic bonding...or wat? please respond. thnx n nice vid.

[anjali2angel]

wow thank you soooo much...you dont know how much i appreciate this.

Though i liked your otherr videos where you actually drew in the video, so we know how u drew them...but thanks a bunch!!!!!!!!

[kingktiger]

Thank you so much for this video I m looking forward to seeing organic chemistry if you have any.

[jabberwocky685]

in cyanide, why does the carbon atom have the negative charge next to it and not the N?

[thesweetcuckoo]

thanku soooooooooooo much........it helped me a lot....: )

[willyhuber]

Seems like we have a lot of bad chem teachers around. Unfortunately, I am in the same boat...I cannot thank you enough for all of this help!

[navidlocoloco]

Hi! thaks for your great videos

one question!

you once said when we have an anion, the electron goes to the most electronegtive atom. In te case of cyanide, why did u add the electon to the Carbon while Nitrogen is the more electronegative atom?

Thaks

[thesweetcuckoo]

because of the simple reason that carbon is more electronegative than nitrogen.

[navidlocoloco]

@thesweetcuckoo

I don't think so; carbon (2.5) Nitrogen (3.04)

[VampireArisa]

I wish you were my teacher.

[14LiveYourLife14]

wow thank you SO much!!! my high school chem teacher just lectures this information and NEVER explains it!! this helped me out alot!! thank youuuu

[boardingirl1]

YOU ARE AWESOME!!!!! there are so many thing i get now. ex-+ .get it. can you be my personal tutor! Chem dept. sucks at my collage:( YOU ARE AWESOME!!!

[ramtinking]

thanks!

[2whizkidz]

Awesome... Thanks!!! My chem teacher didn't even explain how to do this and giving a test on it, in a couple days. Just like many others was in tears because I didn't understand. I wish all chem teachers where like you & explained stuff that well. Instead of saying "go look it up & figure out how to do Lewis structure cuz there is a test coming up" Uuuggh... Thanks again!!! You are a blessing!!!

[docattie]

well explained

[majesticalps]

Hi,

How can I thank you for such an awesome tutorial! Just brilliant! I was close to crying because I couldn't figure out where the charges were coming from!! This made it crystal clear. Thank you so much!!!!!!!!!!!!!!!!!!!!!!!!!!

God Bless :)

[zoelife30]

great video, i am in chemistry now in DFW, texas and i am as lost as a duck in a hell storm. Thanks a lot for the video, definitely going under my favs.

[ShaltNot07]

agh, hey TTUchem1010

so finals in a couple days:

My textbook says that the nitrogen atom has 7 protons and the nitrogen has 4, so it gives the P.A. a charge of 11+. it also says that it (the Polyatomic atom) also has 7 electrons and 4 electrons, and when "these atoms combine to form an ammonium ion, one of their electrons is lost, giving the P.A. ion a total negative cahrge of 10-"

I am going.. what the heck... is my math off or something? I really don't get this polyatomic atom thing.

[Chavalierdeon]

so..if i fall on a pool of ammonium i get... reduced?

[paynefanbro]

i dont understand the H3O thing

[TTUchem1010]

I've posted a video "Understanding strong acids" to help you and drkelven2 understand and follow the electrons during the formation of H3O+.

Let me know if this answers your questions

[ultrabunny222]

you kinda fucked up in your example. you gave an example of hydroxide which is a covalent molecule and they can only be ions if you have a metal and a nonmetal together!

just pointing that out =]

[TTUchem1010]

Glad to see you're thinking, but think a little harder & explain this:

When ammonia is bubbled through water, the new aqueous solution will conduct electricity and turn red litmus paper blue.

Hint: Google "hydroxide ion" for help. =]

[ultrabunny222]

ya your totally right. I'm just a novice chemistry student anyways. my bad

[stormora]

@ultrabunny222 not really necessary to swear to get ur point accross is it?

[dimseeeen]

@ultrabunny222 fail

[HoustonRocket101]

Hi I live in england and i have complted my A-level in chemistry - I got a b+ and i have the option to study chemistry or pharmacology at degree level - however as facinated as i am by chemistry it is a very difficult subject for me and I have to work very hard to understand it - would you reccomend I study it at degree level or do you think it will crush me.

[BCDPRODUCTIONS1234]

@paynefanbro What happens is the Oxygen expands its Octet and it 'donates' 2 electrons to the 3rd Hydrogen. This is a Dative Covalent bond & because of the presence of another Proton the molecule gains a positive charge & becomes an Ion.

[TheMedzmara]

@paynefanbro too dumb :))

[dadflsa]

oh thanks!

[drkelven2]

when you talk about the H30+ cation and u say that the oxygen loses an electron.. so u are saying the electron goes to an hydrogen atom?

[TTUchem1010]

It goes to a hydrogen ion (H+). I'll post a video as soon as I can.

[drkelven2]

hey if the oxygen and carbon loses an electron now where does that electron end up?

[TTUchem1010]

I'm not sure I completely understand the question, but I believe the answer is:

on another atom.

[drkelven2]

i guess ill never know where that electron ends up in the hydronium cation

[TTUchem1010]

Sorry, I didn't know you were still waiting.

In short, the electron "ends up" on an anion (the conjugate base of the acid). Examples: Cl-, Br-, F-, NO3-, etc.

[sweetpapas]

Love your videos, thanks for taking the time.