Question

Why calcium and magnesium are found in the form of compounds only in nature and gold and platinum are found in its free state?

Answer 1

calcium and magnesium are highly reactive so they exist as. compounds .

platinum and gold are least reactive so they ate found in free state itself..

these can be understood by byhotting activity seriets

Answer 2

Explanation:

Calcium is a metal and it make ionic bond with a non metal so it is found in combine state.

Gold is least reactive so it does not react with anyone and it is found in free state.