IB Chemistry Atomic Structure Revision Workshop HL/SL (Topic 2/12)

In this video I go through practice questions on the main subtopics for Atomic structure step-by-step so you can work alongside me :) (You'll find all the worksheets I use linked below)

00:00 Introduction
01:04 SL Equations
03:13 Subatomic particles
05:45 Calculating Ar
09:58 Electron Configuration
19:37 Hydrogen Emission Spectrum
23:12 HL Equations
27:57 First Ionisation Energy
39:42 Calculating First Ionisation Energy
46:24 Outro

[rafaelabravo]

Taught me better in 46 minutes than my teacher in 2 months❤

[MT_FIN]

These videos truly have saved my chemistry grades. thank you for making them

[lilyypeters]

thank you so much! i finally had my ah hah moment with chemistry after watching your videos. your efforts do not go by unseen!!

[FarfarFafa]

Heyyy, thank you so much for making these revision videos. Can you also make these revision videos for Topics 3/13, 4/14, 6/16, 7/17, 8/18, 9/19 and 10/20? I am a Chemistry HL student (writing M23) and these videos would greatly help me. Thank you and appreciate all your efforts <3

[bb]

Watching this as an AP Chemistry student in the U.S., our topics are really similar

[vibelund]

These videos are a life saver! Is there any possibility of you making more of these revision videos for each chapter in the future? It would be so helpful

[survivalpartner]

THANK YOU SO MUCH!!!! You saved me from failing my Chemistry exam tomorrow!!

[aanya]

Thank you so much for this video! This helped me greatly with revision for my test the day after! You're a great teacher!! :)

[mariastoian]

Thank you for this!!🙏🙏So so helpful!! What topic are you planning on covering next?

[lealachmayr]

wow love your videos could you maybe do more of those revision videos thank you so much❤

[yousillygoose]

For question "4b" the relative atomic mass shouldn't be in g/mol because it's relative to a carbon-12 atom. This is because the atomic mass of a carbon-12 atom is approximately (very close) to 12amu (amu = 1.66*10^-27kg), this means that the mass of 1/12 of a carbon-12 atom is almost exactly 1amu, hence it is used (previously hydrogen-1 was used but it is slightly greater than 1amu so they changed it). Essentially, the molar mass is derived from relative atomic mass, but for example, an oxygen-16 atom has an Ar of 16.00, which means it's 16.00u relative to the mass of 1/12 of a carbon-12 atom that we now know to be 1amu, so it's 16.00u/12.00u and units cancel out and it's written as just 16.00 (I don't know the details why but it does form the basis of molar mass since 1mol = 6.02*10^23 atoms multiplied by 1amu is actually equal to 1, so that's why the relative atomic mass and molar mass are the same numbers).

[izzypearson]

thank you so much for these vids, do you think you can make videos on the remainder of the topics??xxx

[tanvisoni]

Can you also tell me good sources where I can practice more questions from

[SaketMota-hzxk]

I want you to start teaching chemistry for iit jee it will grow you much higher and millions of student will be bleased

[ayyysaam]

can I ask why it's out of 12? currently doing chem sl and there's only 11 core topics

[tanvisoni]

I have a question . Why do the visible spectrum lines of hydrogen converge at higher frequency

[lesserafimot]

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