Which alkaline earth metals does not form peroxide (if any)(Dont copy

1.	Which alkaline earth metals does not form peroxide (if any)(Dont copy paste from previous answers, and re-check your answer before sending)
Answer» BERYLLIUM does not FORM peroxides due to its very small size and high POLARIZING POWER of Be2+ cation. please mark me BRAIN mark list

Which alkaline earth metals does not form peroxide (if any)(Dont copy paste from previous answers, and re-check your answer before sending)

Answer»

BERYLLIUM does not FORM peroxides due to its very small size and high POLARIZING POWER of Be2+ cation.

please mark me BRAIN mark list