03 January 2025

Ordering the reactivity of metals

Exploring the relative reactivity of metals with acid: Magnesium reacted vigorously, while copper showed no reaction. Differentiating zinc and iron was trickier but became clearer with cleaned surfaces. Reactivity order: Mg > Zn > Fe > Cu. #Chemistry #ScienceExperiment
 

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Growing Crystals — Then Deliberately Changing Their Shape

Growing Crystals — Then Deliberately Changing Their Shape Two crystals can come from the same solution and look quite different. What would ...