Which of the following represents a compound?
a. h
c. h2o
b. h-3
d. o-16
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Ответ:
Compound is a pure substance composed of two or more different atoms chemically bonded to one another. Among all choices only H₂O is composed of two atoms, and other choices are composed of only one atom. H₂O is the pure substance composed of chemically bonded two atoms (hydrogen atoms and oxygen atom).
Ответ:
567890-!07
Explanation:bjhvcvh78uytyuuy