Biology, 30.10.2019 04:31 luthfipadasseri

Hydrogen is a pure substance represented by the chemical symbol h. which of the following best describes hydrogen?
a. hydrogen is an element made of only one kind of atom.
b. hydrogen is a compound made of two or more kinds of atoms.
c. hydrogen is an element made of two or more kinds of atoms.
d. hydrogen is a compound made of only one kind of atom.
b

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