AP Chem Nuclear Symbols Preview

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Across
  1. 2. The number of neutrons contribute to how ___ an atom is
  2. 5. The ___ number conveys the number of protons in an atom
  3. 7. The ___ number determines the number of protons and neutrons in a nuclear symbol
  4. 9. The ___ table displays the average mass number and atomic number for all known elements
  5. 11. The positively charged particle within an atom
  6. 12. A charged atom
  7. 13. These orbit the nucleus in shells
  8. 15. The ___ mass number is listed on the periodic table
  9. 16. The number of electrons contribute to how ___ an atom is
  10. 19. Since all atoms have some varying mass number, every atom is thus an ___
  11. 21. ___ symbols are created to express the number of subatomic particles in an atom
Down
  1. 1. Average mass number is determined by each isotopes mass number and ___ in nature
  2. 3. Basic unit of a chemical element
  3. 4. These have more protons than electrons
  4. 6. The particle located in the nucleus that helps stabilize the force between protons
  5. 8. The element ___ is at the center of any nuclear symbol
  6. 10. This type of bond occurs through the transferring of electrons
  7. 13. A pure substance that cannot be broken down through chemical means
  8. 14. Ions have an excess ___ displayed on their nuclear symbol
  9. 17. These have more electrons than protons
  10. 18. This type of bond occurs through the sharing of electrons
  11. 20. Subatomic particles are made up of these