No, it is less reactive.
Cesium
Among the elements aluminum, silicon, cesium and fluorine, cesium is the most reactive metal. It has the chemical symbol Cs and atomic number 55.
The high reactivity of cesium comes from its tendency to give up the one electron in its outermost shell and become a cesium 1+ ion, which is more stable. In cesium chloride, the cesium is already in its stable ionic form.
calcium and mg are more reactive
Francium, Cesium, Rubidium
Plutonium is more reactive than Cesium.
Cesium
Among the elements aluminum, silicon, cesium and fluorine, cesium is the most reactive metal. It has the chemical symbol Cs and atomic number 55.
Francium is more reactive.
Cesium is extremely reactive.
Cesium is more reactive. Down the group reactivity increases.
Francium is considered to be more reactive than caesium.
more reactive
In reaction with water and oxygen Fr is more reactive than Cs
AnswerDespite the fact that you could look it up that cesium is indeed more reactive than potassium, you could also take into account the periodic trends. One of these trends is that metals tend to be more reactive as you proceed down a group/family and as you move to the left of the table. Since both cesium and sodium are members of the alkali metals, cesium should be more reactive of the two.
because it is less stable
Elements are more reactive as you go down the periodic table and to the left.