Chrissy is doing her chemistry homework and comes across the chemical formula for 3 molecules of nitric acid, represented by 3HNO3. Which of the following shows the correct number of atoms for Chrissy's homework problem?
A-
3 hydrogen
1 nitrogen
3 oxygen

B-
1 hydrogen
I nitrogen
3 oxygen
C-
3 hydrogen
3 nitrogen
9 oxygen

Which statement best summarizes the importance of ernest rutherford’s gold foil experiment? it proved that all of john dalton’s postulates were true. it verified j. j. thomson’s work on the atomic structure. it showed that an electron circles a nucleus in a fixed-energy orbit. it showed that a nucleus occupies a small part of the whole atom.