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.
OC. Hydrogen is an element made of two or more kinds of atoms.
D. Hydrogen is a compound made of only one kind of atom.

Will mark brainliest 26. which of these statements are true? (3 points) a. gases are compressible b. gases fill their containers completely c. the pressure of a gas is independent of the temperature d. gases have mass e. gases exert pressure f. the pressure of a gas is dependent on the volume g. gas pressure results from the collisions between gas particles h. gases have a definite volume and shape

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Which electron configuration represents the electrons in an atom of sodium in the ground state at stp