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why do lithium do not form peroxide but magbesium does?

why do lithium do not form peroxide but magbesium does?

Grade:12th pass

1 Answers

Devyani Jambhule
35 Points
7 years ago
because of small size ,Li+ has a strong positive field (in other words charge density i.e electric charge per unit area is is higher because of small size) around it which attracts the negative charge so strongly that it does not permit the oxide anion O(2-) to combine with another oxygen atom to form peroxide ion

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