Periodic Table WHOLE TOPIC video for GCSE Chemistry.
Автор: Revise Chemistry with Mr B
Загружено: 2024-11-21
Просмотров: 629
In this video I answer questions such as: why do alkali metals get more reactive going down the group? Why do halogens get LESS reactive going down the group? Why are noble gases so unreactive? I show you the reactivity trends of group 1, the alkali metals and group 7, the halogens. I also explain the reactivity trends in terms of the electronic structures of the atoms. In the final part of the video I describe how the periodic table was developed by different scientists. Who is Dmitri Mendeleev? Stay tuned to the end of the video to find out.
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https://revisechemistrywithmrb.co.uk
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