6. was the first to make a theoretical model of the nucleus using the idea of a
ID: 1787998 • Letter: 6
Question
6. was the first to make a theoretical model of the nucleus using the idea of a liquid drop. a) Carl Anderson b) Irene Joliot-Curie c) Otto Hahn d) Enrico Fermi e) Arthur Dempster f) Niels Bohr g) James Chadwick 7. was the first to discover artificially induced radioactivity. a) Carl Anderson b) Irene Joliot-Curie c) Otto Hahn d) Enrico Fermi e) Arthur Dempster f) Niels Bohr g) James Chadwick 8. In 1935, Fermi discovered that hydrogen could slow neutrons down and thereby increase their capture cross section for many nuclei. That processo slowing neutrons down is called a) neutron decay b) neutron moderation c) neutron bombardment d) fission e) induced ionization. 9. discovered that uranium has more than one isotope. a) Carl Anderson b) Irene Joliot-Curie c) Otto Hahn d) Enrico Fermi e) Arthur Dempster f Niels Bohr g) James Chadwick 10discovered fission. a) Carl Anderson b) Irene Joliot-Curie c) Otto Hahn d) Enrico Fermi e) Arthur Dempster f) Niels Bohr g) James Chadwick 11. In 1932, James Chadwick measured the mass of the neutron, by bombarding different targets with neutrons and comparing the resulting a) temperatures of the targets b) radioactive half-lives of isotopes he produced c) recoil velocities of the different target nuclei d) penetrating power of the neutrons through the different targets.Explanation / Answer
7. B , irene curie
8. neutron moderation
9 .arthur dempster
10. otto hahn
11. recoil velocity of diffrent nuclei targets
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