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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
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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

User Vlad Lyga
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5 votes
it is made of one kind of atom!!
User Grissel
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1 vote
A hydrogen is an element made of only one kind of atom.
User Sivanathan
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