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Chemistry 18 Online
OpenStudy (cherokeegutierrez):

1. Which of these substances is not an element? A.) Water B.) Hydrogen C.) Aluminum D.) Iron 2. Tap water is? A.) An element B.) A compound C.) A substance D.) A mixture

OpenStudy (cherokeegutierrez):

@DarrenMadx

OpenStudy (sweetburger):

which do you think

OpenStudy (cherokeegutierrez):

idk thats why i asked..

OpenStudy (darrenmadx):

Iron is an element. And i believe the Periodic symbol for Iron is Fe and the atomic is number 26. So that may be the answer. but let me check the rest \

OpenStudy (darrenmadx):

oh duh its water

OpenStudy (cherokeegutierrez):

okay what about the second question?

OpenStudy (darrenmadx):

hold on a sec

OpenStudy (darrenmadx):

And tap water is a mixture

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