Chemistry: Atoms Review

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Across
  1. 1. mass of an element with 6 protons and 4 neutrons
  2. 2. the symbol for the element with an atomic number of 11
  3. 3. number of neutrons in an atom of silver that has a weight of 107
  4. 6. mass of boron
  5. 9. the symbol for the element with a mass of 131 and 77 neutrons
  6. 12. same proton number, different neutron number
  7. 14. this element's proton number = mass of Si
  8. 16. has an atomic number 1
  9. 17. protons plus neutrons
  10. 19. smallest metal with 3 protons
  11. 20. this element has an atomic number equal to 3 squared
Down
  1. 1. this element's symbol is the opposite of a L
  2. 4. this element has a mass of 120 and 70 neutrons
  3. 5. has an atomic mass of 9
  4. 7. the element that has mass of 17 and 9 neutrons
  5. 8. this element's atomic number is the same as magnesium's mass
  6. 10. shiny element with an atomic number of 79
  7. 11. element that is Spanish for "yes" and has 14 protons
  8. 13. has 6 protons
  9. 15. this element's symbol is the same as a passive aggressive text
  10. 18. an element with a mass of 14