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Which Element In Period 3 Is The Most Active Metal?

January 24, 2024 by Jasmine Sibley

Which Element In Period 3 Is The Most Active Metal? Cesium – The most ACTIVE metal on EARTH! Which element is the most active metal? The most active metals in the activity series are lithium, sodium, rubidium, potassium, cesium, calcium, strontium and barium. These elements belong to groups IA and IIA of the periodic table.