GCSE Science Chemistry (9-1) Development of the Periodic Table

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This video is for the new GCSE specifications (levels 1-9) for all exam boards. In this video, we look at how the modern day periodic table was developed by Dmitry Mendeleev. We also explore two differences between the current periodic table  and  the one developed by Mendeleev.

Image credits:

Dobereiner “https://commons.wikimedia.org/wiki/File:Johann_Wolfgang_D%C3%B6bereiner.jpg

By Carl August Schwerdgeburth, 1785-1878 (engraver),  and  Fritz Ries, 1826-1857 (painter) [Public domain], via Wikimedia Commons”

Newlands “https://commons.wikimedia.org/wiki/File:John_Alexander_Reina_Newlands.jpg

By The original uploader was DALIBRI at German Wikipedia. (Transferred from de.wikipedia to Commons.) [Public domain], via Wikimedia Commons”

Mendeleev “https://commons.wikimedia.org/wiki/File:Mendeleev_c1880.jpg

See page for author [Public domain], via Wikimedia Commons”

Comments

кιяgιи Çιçєкlєя says:

Oufff I’m so stressed rnw 😫

LucA’s Music And More says:

this geezer is the best, am I right?

Halla Bajwa says:

Do your videos apply to the AQA exam board

galaxy KC says:

WATCH THE VIDEO NOT COMMENTS AND LEARN

Scampstar says:

my science teacher recommended this channel to help with our chemistry GCSE's

RazDoesEverything says:

Thank u i got a grade 9 and A+ in year 9

Arifka the crafter says:

Hello,
Thank you very much for explicit information! The only thing I struggle understanding is why wasn’t Newland’s Octaves method not taken seriously? What was wrong in his method?

Thank you!

Arif Mammadov says:

Hello,
Thank you very much for good explanation, but the only thing that I struggle understanding is why weren't Newland's Octaves taken seriously?

Ollie Kehoe says:

Saved me Thanks

Dia says:

Also, the specification says 'atomic weights' instead of 'atomic mass', is there a particular difference? (pg. 69)

Dia says:

Do you need to know the other scientists other than Mendeleev?

did be legand says:

whats the meaning of life sir?

Walter Sobchak says:

Damn you're good at what you do.

Huma Khan says:

do we need to know about these scientists?

Aurora Rose says:

I'm starting to remember my teacher

lana del reyc says:

thank you so much!!

William Sungkur says:

Out of interest, when your given the Periodic Table, are the names of the elements written out in full just as seen in the video?

Alisha Sharma says:

Sir, I thank you greatly.

ElectricDeath24 ZOMBIES says:

Day before chemistry paper… anyone else too?

Monki says:

every video:
hello and welcome back to freesciencelessons .co .uk
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oh and buy my workbook

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