Respuesta :

avengersassembleandl

Answer:

sodium

Explanation:

sodium is the second most reactive. Magnesium being the least reactive

nargisghauri

Answer:

cesium

Elements with the Highest Reactivity

Francium is radioactive, with no stable isotopes. The most chemically reactive metal with a stable isotope is cesium. Cesium reacts explosively with water

Explanation:

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