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The final results of processing the data from the balloon-born experimentATIC-2 (Antarctica, 2002-2003) for the energy spectra of protons and He, C, O,Ne, Mg, Si, and Fe nuclei, the spectrum of all particles, and the meanlogarithm of atomic weight of primary cosmic rays as a function of energy arepresented. The final results are based on improvement of the methods usedearlier, in particular, considerably increased resolution of the chargespectrum. The preliminary conclusions on the significant difference in thespectra of protons and helium nuclei (the proton spectrum is steeper) and thenon-power character of the spectra of protons and heavier nuclei (flattening ofcarbon spectrum at energies above 10 TeV) are confirmed. A complex structure ofthe energy dependence of the mean logarithm of atomic weight is found.

Energy Spectra of Abundant Nuclei of Primary Cosmic Rays from the Data of ATIC-2 Experiment: Final Results