Thursday, July 14, 2011

What element could replace Phosphorus?

Doing a chemistry assignment and have to research elements. My friend has chosen Phosphorus and a question asks to find an element that could replace it. She's looked everywhere and can't find anything and our assignment is due in 2 days. If someone could find some info on a website could you please leave the source. Any knowledge in this area is greatly apreciated.

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