What this lesson teaches
Periodic table trends.
Plot atomic radius and ionization energy trends!
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Periodic table trends.
Trends across the periodic table are the most powerful predictive tool in chemistry — more useful than any single element's properties. Students who identify trends themselves (by colouring and comparing) develop genuine chemical intuition rather than rote element-by-element knowledge.
1. Color alkali metals. 2. Color halogens. 3. Plot atomic radius vs period. 4. Identify trend.