Question

Which element is more reactive than rubidium

Answer 1

cesium

Step-by-step explanation:

rubidium & cesium are in the same group 1

cesium is further down in group 1 of the periodic table

cesium is bigger than rubidium

cesium's outermost electron is further away from the nucleus.

cesium's outermost part can be easily taken away

cesium's outermost electron being further away from the nucleus makes it easier for

cesium to :

lose the outermost electron &

react with other elements

these traits are true for all groups

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Answer 2

Rubidium is a chemical element with symbol Rb and atomic number 37. Rubidium is a soft, silvery-white metallic element of the alkali metal group, with a standard atomic weight of 85.4678. Elemental rubidium is highly reactive, with properties similar to those of other alkali metals, including rapid oxidationin air. On Earth, natural rubidium comprises two isotopes: 72% is the stable isotope, 85Rb; 28% is the slightly radioactive 87Rb, with a half-life of 49 billion years—more than three times longer than the estimated age of the universe.

aluminum element is more reactive than rubidium (Rb)

Step-by-step explanation: