Question

which are most reactive metals in the world​

Answer 1

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There are many reactive metals, Lithium, Sodium, Potassium,Aluminum ,Magnesium, Calcium ,Cesium, and others.

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Answer 2

➢Caesium, the most reactive metal in the periodic table, reacts extremely violently – hence why it can't be demonstrated in a classroom! This can be compared to other common metals, such as iron and copper, which produce no reaction when dropped into water. There are more metals such as aluminium, copper etc.