Question

Rbo2 is what kind of element

Answer 1

Rubidium superoxide (RbO2) is a yellow powder. Rubidium peroxides (Rb2O2) can be formed by oxidation of the metal with the required amount of oxygen. Rubidium forms two other oxides (Rb2O and Rb2O3). It is used in photoelectric cells and as a “getter” in electron tubes to scavenge the traces of sealed-in gases.

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Answer 2

Rbo2 is rubidium element

Group 1                  Melting point          39.30°C, 102.74°F, 312.45 K  

Period 5                  Boiling point           688°C, 1270°F, 961 K  

Block s                  Density (g cm−3)        1.53  

Atomic number 37  Relative atomic mass    85.468  

solid state            20°C  Key isotopes           85Rb, 87Rb  

                                       Electron configuration [Kr] 5s1