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The periodic table - Key concepts in Chemistry: Video playlist - BBC Bitesize
This video explains the periodic table, which contains all the known elements.
↗ https://www.bbc.co.uk/bitesize/topics/zf79p9q/watch/znfb239This video explains the periodic table, which contains all the known elements.
↗ https://www.bbc.co.uk/bitesize/topics/zf79p9q/watch/znfb239