Investigating the arrangment of elements in the periodic table - Who told the elements where to go?

In this lesson students are given a range of cards with select information about different elements, just as Mendeleev had. They are then set the task of arranging the cards in anyway they see fit. They then look at how Mendeleev arranged them and used them to make predictions about missing elements which the students then do. The lesson concludes with a six mark question on how the periodic table is arranged.

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