1.2.1 The Periodic Table and Its Development
In this lesson, you will explore how the periodic table is organised and how it developed over time. You will learn about groups and periods, and discover how Dmitri Mendeleev improved early tables by leaving gaps in his periodic table and predicting the existence and properties of undiscovered elements.
Topic 1
The Modern Periodic Table
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Topic 2
The Early Periodic Tables
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Topic 3
Mendeev’s Periodic Table
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