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OpenStudy (anonymous):
Which of the following represents a compound? co he co2 NA
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OpenStudy (anonymous):
Co is copper that is an element. he, heium an element. Na, sodium,an element. \[CO2\] is a compound!
OpenStudy (anonymous):
Because :A compound is a pure chemical substance consisting of two or more different chemical elements..
OpenStudy (anonymous):
CO is cobalt**
OpenStudy (vincent-lyon.fr):
Co is cobalt, CO is carbon monoxide, Cu is copper :)
OpenStudy (anonymous):
Thank you for correcting me and letting me know :)
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