Atoms and The Periodic Table

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Across
  1. 1. Energy needed to remove a valence electron is the _____ energy
  2. 8. The subatomic particle that identifies an atom
  3. 10. _____ charges attract
  4. 11. The modern periodic table is organized by increasing atomic _____
  5. 12. The center of the atom
  6. 16. Negatively charged ion
  7. 19. Horizontal rows on the periodic table
  8. 21. The smallest atom on the periodic table
  9. 22. When atoms have equal numbers of protons and electrons
  10. 23. The largest atom in the periodic table
  11. 24. Atoms of the same species but with different masses
  12. 26. Lithium is part of the _____ metal family
  13. 28. Also known as the planetary model
  14. 29. Valence electrons determine an atoms _____
  15. 30. Protons _____ electrons closer to the nucleus
  16. 31. Atomic _____ describes the general size of the atom
  17. 32. _____ gasses are known to be chemically inert
  18. 33. _____ mass is the mass of an individual atom
  19. 34. A charged atom
  20. 35. Rule that states that atoms are most stable with a full valence shell
Down
  1. 2. Region in space where electrons are likely to be found
  2. 3. Model depicting only the valence electrons is called the _____ dot structure
  3. 4. The subatomic particle that influences atomic charge
  4. 5. The outermost electrons are called the _____ electrons
  5. 6. Examples of this chemical family include F, Cl and Br
  6. 7. Elements in the same group are known as chemical _____
  7. 9. Subatomic particles with a neutral charge
  8. 13. The study of matter, its makeup, properties, and behavior
  9. 14. Electron _____ describe the general structure of the electron cloud
  10. 15. Forces experienced by charged particles
  11. 17. Metals ability to transfer heat/electrical energy
  12. 18. Describe the general shape of an orbital
  13. 20. Ability of metals to be stretched into wires
  14. 22. Category of elements that are dull, brittle, and nonconductive
  15. 25. Positively charged ions
  16. 27. The shells of the electron cloud are known as _____ levels