Question
Tue September 10, 2013 By: Kim
a) Diamond                   b) Graphite
 

Which one of the following is not an element?

Expert Reply
Vaibhav Chavan
Tue September 10, 2013
Silica is not an element since elements consist of only one type of atom which may ,or may not be joined together to form molecules or large structures.
Sun June 25, 2017

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