Across
- 6. abbreviation for an element's name (2W)
- 7. distance from nucleus to valance electrons (2W)
- 8. families 3 to 12 (2W)
- 10. characteristics of atoms above the staircase (2W)
- 17. characteristics of atoms below the staircase (2W)
- 18. table of chemical elements arranged in order of atomic number (2W)
- 19. energy needed to remove valance electrons (2W)
- 20. ionization energy ________ going across a period
- 23. change in energy of neutral atom (2W)
- 27. number of protons in an element (2W)
- 28. underlying cause of trends in periods
- 30. family directly to the left of noble gases
Down
- 1. ion with a positive charge
- 2. also known as the nitrogen family
- 3. unit of measurement for ionization energy (2 acronyms)
- 4. for noble gases, electronegativity is ________ (2W)
- 5. variable that is measured in an experiment (2W)
- 9. underlying cause of trends in families (3W)
- 11. attraction between the nucleus of one atom and the electrons of another
- 12. family including Be (3W)
- 13. variable not affected by other factors in an experiment (2W)
- 14. force between positive and negative changes (2W)
- 15. electronegativity ________ going down a group on the periodic table
- 16. radius of an ion of an atom (2W)
- 21. elements family of elements with full outer electron shells (2W)
- 22. patterns present in the periodic table (2W)
- 24. the element next to sulfur with a higher ionization energy
- 25. family farthest to the left (2W)
- 26. unit of measurement for atomic radius (acronym)
- 29. ion with a negative charge