Question

All of the alkaline earth metals, Group 2, have two valence electrons. Which of these would represent the oxidation number of the alkaline earth metals such as magnesium and calcium? A) -6 B) -2 C) +2 D) +6

Answer 1

C. since they want to attain noble gases configuration

Answer 2

answer is C +2 as it is GROUP 2 element and in group 2 oxidation state is a fixed no