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Question: 1
Write a brief note on the occurrence of alkaline earth metals?
Answer: 1
1-41Occurrence of alkaline earth metals:Being very reactive,alkaline earth metals also do not occur in free state,The compounds of these metals occur widely in nature.Magnesium and calcium are very abundant in earth's crust.The outer portion of the earth was originally in the form of silicates and alumino-silicates of alkaline earth metals.Calcium is an essential constituent of many living organisms.It occur as skeletal material in bones,teeth,sea shells and egg shells.Radium is a rare element.It is of great interest because of its radioactive nature.