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#### in how many elements does the last electron have the quantum numbers of n=4 and l=1?



Answer:-Total 6 elements will have 4p configuration ...

#### The alkaline earth metal that doesn't lose its metallic lustur when exposed to air



Answer:-Metals react with the atmosphere oxygen and the oxygen is bonded to them.after...



Apr 10, 2019



#### The stability of peroxide and superoxide of alkali metals increases as we go down the group, explain?



Answer:-how stability of peroxide and superoxide increases as the size of alkali metals increases?? As the size of alkali metal ion increases the stability of peroxi...