Which of the following set of elements does not belong to the same group, but resemble in properties?
In the following set of elements, one element does not belong to the set. Select this element and explain why it does not belong :
Calcium, Magnesium, Sodium, Beryllium
In the following set of elements, one element does not belong to the set. Select this element and state why it does not belong :
Oxygen, Nitrogen, Carbon, Chlorine, Fluorine