The abundance of alkaline earathmetails in the earth crust is in the o

1.	The abundance of alkaline earathmetails in the earth crust is in the order of
Answer» `Ca gt Mg gt BA gt Sr gt Be` `Mg gt Be gt Ca gt Sr gt Ba` `Ca gt Mg gt BC gt Ba gt Sr` `Ca gt Bc gt Mg gt Sr gt Ba` Solution :The order of abundence of IIA GROUP elements in earth crust is `Ca gt Mg gt Ba gr Sr gt Be`

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