11. The Ford Nucleon was a concept car announced by Ford in 1958. 12. The nuclei of atoms are built from Janus-faced particles called nucleons . 13. This energy is a measure of the forces that hold the nucleons together. 14. Axions may be produced within neutron stars, by nucleon -nucleon bremsstrahlung. 15. Axions may be produced within neutron stars, by nucleon-nucleon bremsstrahlung. 16. In quantum hydrodynamic models, mesons mediate the residual strong force between nucleons . 17. It gives the normalization of the weak interaction matrix elements for the nucleon . 18. Transformers comic, those Autobots who had taken Nucleon could once again transform. 19. Protons and neutrons are closely related and are sometimes collectively known as nucleons . 20. Some tables aim to emphasize both the nucleon and electronic structure of atoms.