IHP Chapter 1

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Across
  1. 2. tiny negatively charged fundamental particle
  2. 3. defines which element is which
  3. 4. weighted average mass of all natural isotopes of a given element
  4. 7. contains information about all the nuclear properties of all the isotopes
  5. 9. two or more atoms bonded together to create a new substance
  6. 10. number of nucleons
  7. 11. force that acts on protons and neutrons
  8. 16. molecule that contains two or more different elements
  9. 17. relationship between two nuclides indicating the same number of neutrons but different number of protons
  10. 19. actual mass of an atom in AMU or grams
  11. 20. Einstein's theory that gives us E=mc^2
  12. 23. color that indicates 100 day to 10 year long half lives
  13. 25. this allows nucleons to change
  14. 26. same total number of nucleons
Down
  1. 1. attractive force between 2 objects that have mass
  2. 5. any type of atom specified by its atomic number, atomic mass and energy state
  3. 6. would be a dot on a graph of neutron vs. proton numbers
  4. 8. energy required to completely remove an electron from an atom
  5. 12. color indicating half lives greater than 5E8 years or stable isotopes
  6. 13. also known as coulombic force; carried by photons
  7. 14. same element but different nuclear properties
  8. 15. equal to to mass defect that is released when a bound system is created from "free" constituents
  9. 18. 1/12th of the mass of one atom of C-12
  10. 21. least massive electrons are found here
  11. 22. one of six fundamental particles that make up protons, neutrons and other hadrons
  12. 24. protons and neutrons