What happens in a double-replacement reaction?
O
A. The elements in two compounds switch places.
B. Two reactants combine to form one compound.
O
C. One compound separates into two or more products.
D. An element replaces an element in another compound.

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.