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ycow [4]
3 years ago
8

I’m lost for this question

Chemistry
1 answer:
Natasha2012 [34]3 years ago
7 0
An element is all the same thing. Pure, if you will. 

The first one is definitely an element. The second would be a compound (it's atoms are different colors). I would say the last one is an element, since it has ll the same color of atoms. 

I hope this helped you! If you have anymore questions, feel free to ask me. 
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