Element Property Trends

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Across
  1. 3. 6.022x10e23 is the number of fundamental units in 1 ___.
  2. 5. Metals tend to be ___ and ductile.
  3. 6. The negative values for electron affinity mean that energy is ___ from the atom during the process of adding an electron.
  4. 7. Ionization energy tends to decrease as atomic radius increases because of ___.
  5. 10. Shield Effect explains why these electrons do not experience the full attraction of the nucleus.
  6. 11. Nonmetals tend to form ___ ions.
  7. 12. Atoms and molecules are ___ in chemistry.
  8. 16. When ___ energy is added to an atom, a positive ion is the result.
  9. 19. A high electronegativity or ___ value tells you an element has a stronger attraction for electrons.
  10. 21. The units of atomic radius are ___.
  11. 23. Negative ions are aka ___.
Down
  1. 1. The units of electronegativity are ___.
  2. 2. This is used to help predict the kind of bond two elements will form.
  3. 4. Metals tend to form ___ ions.
  4. 8. Nonmetals tend to have ___ melting points.
  5. 9. Positive ions are aka ___.
  6. 13. Metallic characteristics tend to increase as you travel ___ the periodic table.
  7. 14. Nonmetals tend to be ___ conductors.
  8. 15. Joules are units of ___.
  9. 17. An electron is ___ to an atom during the process described by the definition of electron affinity.
  10. 18. The units of ionization energy are ___.
  11. 20. ___ tends to increase down the periodic table.
  12. 22. Nonmetallic characteristics tend to increase as you travel to the ___ across the periodic table.