Physics, 20.10.2019 10:30 rburd

Hydrogen is a pure substance represented by the chemical symbol h. which of the following best describes hydrogen?

a-hydrogen is a compound made of two or more kinds of atoms.
b-hydrogen is an element made of only one kind of atom.
c-hydrogen is a compound made of only one kind of atom.
d-hydrogen is an element made of two or more kinds of atoms.

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Hydrogen is a pure substance represented by the chemical symbol h. which of the following best descr...