Suppose you combine two substances but no chemical reaction occurs. which of the following best describes the result?
a. a solution
b. a heterogeneous mixture
c. a mixture
d. a homogeneous mixture

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.