Chemistry149Updated 2 Oct 20261 page

Chemistry Unit 1: The Periodic table of the Elements in Chemistry

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Joel Shiels@joelshiels_wkss
The guide describes the key differences between Dmitri Mendeleev's table and the Modern one used today, the Group 0,1,7 and Transition metals.
Chemistry Unit 1: The Periodic table of the Elements in Chemistry – page 1

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