In the following set of element, one element does not belong to the set. Select this element and explain why it does not belong:
Calcium, Magnesium, Sodium, Beryllium

In the given set of elements, i.e., calcium, magnesium, sodium, and beryllium, sodium does not belong to the set because sodium is placed in the group 1 element and the remaining three elements​ belong to group 2.

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Updated on: 10-Oct-2022

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