4. Atomic Spectra (Intro to Solid-State Chemistry)

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MIT 3.091 Introduction to Solid-State Chemistry, Fall 2018
Instructor: Jeffrey C. Grossman
View the complete course: ocw.mit.edu/3-091F18
Course Playlist: • MIT 3.091 Introduction...
Highlights Playlist: • “Why This Matters” Mom...
Covers the Bohr model and electronic transitions.
License: Creative Commons BY-NC-SA
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Пікірлер: 39

@michaelhatch1255 2 жыл бұрын

I am a 79 year old retired mechanical engineer and am thoroughly enjoying your lectures, if only I had had you as a physics teacher I may have changed to physics! Thanks

@HuNgRy4KiLl 2 жыл бұрын

Any advice for a young graduate engineer? Would love to have even a fraction of your experience and knowledge.

@ok_computer12 2 ай бұрын

I am a recent mechanical engineering Graduate. Can you please share an ounce of wisdom on how to succeed in this field? Much appreciated 😊

@anujinganzorig1372 3 жыл бұрын

whoever made that intro thing, should become an ASMR person, that was so satisfying to hear ngl

@anujinganzorig1372 3 жыл бұрын

anyway, I'm here because I'm studying for a chemistry test on Atomic Spectra & Energy....It's High school IB-SL Chem...WHOOO (im bad at it)

@brainstormingsharing1309 3 жыл бұрын

Absolutely well done and definitely keep it up!!! 👍👍👍👍👍

@landonschmitt7117 10 ай бұрын

Anybody else perfectly understands stuff, and then the second after gets immediately humbled and forced to watch a section for the 10th time 😂

@user-mf4ug6pt3b 2 жыл бұрын

Amazing, this tutor loves chemistry and it shows

@Petrov3434 3 жыл бұрын

Outstanding lecture !!!

@jollyjokress3852 3 ай бұрын

I easily absorbed the 46 Minutes of lecture. It was this good!

@WilanderMascrenhas Ай бұрын

Haha

@user-xq4dm6yi2p 11 ай бұрын

I am interested. Keep it up!

@dennisneero9736 3 жыл бұрын

Is it likely that there is an energy level for for the hydrogen atom En=-1.00×10 to the power -20

@CoinDoctor1 2 жыл бұрын

I have HCFC in the form of Blue Ribbon coin conditioner. It says it is harmful to the ozone as a warning on the bottle. I only used this on nicer St. Gaudens and Double Eagles.

@00799731 Жыл бұрын

fantastic !!!

@platones9667 2 жыл бұрын

AWESOME!

@reynep 9 ай бұрын

at 38:00 he did a small mistake transition should be 3->2 [Balmer Series]

@amitrakshar.parker 9 ай бұрын

REF:- 5.111 Lecture 5: Hydrogen Atom Energy Levels

@broccoli9308 11 ай бұрын

When in doubt divide by 2π

@josemilian4167 Жыл бұрын

was he using rydenber's equation for question asking about 639 wavelength?

@noorjahanakterjoly9414 3 жыл бұрын

How MIT conduct online exams?can you upload videos regarding this?

@ptgrenville75 3 жыл бұрын

In Einstein's Photo Electric effect experiment how can ejected electrons be both quantized AND linear???

@chengzhiwu7052 3 жыл бұрын

What do you mean by linear?

@zphuo 2 жыл бұрын

Hydrogen have only 1 electron. @38:00 How electron drop from n4 to n3 and release red light?

@lisa7286 2 жыл бұрын

It's not Hydrogen. It's hydrogen like ion

@zphuo 2 жыл бұрын

@@lisa7286 thanks. u r right!

@josemilian4167 Жыл бұрын

drop of hydrogen electron from n4 - n3 would give red light of 639. If you need picture look at 28:37 depicts what I am saying in move from n2 n1 similar case light would have it's own light emission though. hydrogen does have 1 e- but that e- can be at different states n=1,2,3 etc. anything passed n=1 ground state would be an excited state.

@reynep 9 ай бұрын

but his answer was 4->3 red light in Hidrogen with 1 Proton is cause by 3->2 transition you can look into Balmer series.... & 5.111 Lecture 5:- Hydrogen Atom Energy Levels

@ptgrenville75 3 жыл бұрын

I understand that constants have a value that does not change but how are constants determined in the first place???

@chengzhiwu7052 3 жыл бұрын

As fas as I know, it’s calculated with all the formulas and derived. I.e the g for gravity is approximately 9.81... deriving it from newtons second law.

@webdevacademy3496 2 жыл бұрын

Mostly from experimentation. Like E = hv. Here people know the frequency, experiment to get the energy and then they can calculate the h. h= E/v. Similarly C (speed of light) was found out thousands of years ago by experimentation in India, Greece and yet more places