Question

how does alkaline earth metals occur in nature

Answer 1

All the alkaline earth metals readily lose their two outermost electrons to form cations with a 2+ charge. All of the alkaline earth metals except magnesium and strontium have at least onenaturally occurring radioisotope. Magnesium and calcium areubiquitous and essential to all known living organisms.

Answer 2

By the reactions in atmospere and due to enviromentals change . Some created directly on the earth