Use the born-haber cycle to calculate the standard enthalpy of formation (δh > ) for licl(s) given the following data: δh(sublimation) li = 155.2 kj/mol i 1 (li) = 520 kj/mol bond energy (cl–cl) = 242.7 kj/mol ea (cl) = 349 kj/mol lattice energy (licl(s)) = 828 kj/mol

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.