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Title: Which element is an alkaline earth? Post by: Gurjeet on Feb 10, 2017 Which element is an alkaline earth?
A) Ca B) Cl C) Ar D) K Title: Re: Which element is an alkaline earth? Post by: tropicaux on Feb 10, 2017 Content hidden
Title: Re: Which element is an alkaline earth? Post by: Gurjeet on Apr 5, 2017 Thank you for the answer!
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