Calcium carbonate (caco3) is heated and decomposes to form calcium oxide (cao) and carbon dioxide (co2). caco3 cao + co2 which statement is true about the difference between calcium carbonate and calcium oxide?

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.