Vocabulary Unit 5 Crossward Puzzle

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Across
  1. 2. A horizontal row of elements in the periodic table
  2. 3. Refers to the protection of valence electrons by core electrons in inner energy levels (distance)
  3. 9. loss of electrons
  4. 10. an element that conducts heat and electricity poorly
  5. 13. the ability of an atom to attract electrons when the atom is in a compound
  6. 15. an element that has properties of both metals and nonmetals
  7. 16. the repeating pattern of chemical and physical properties of the elements
  8. 17. Distance from the center of an ion's nucleus to its outermost electron
Down
  1. 1. a vertical column of elements in the periodic table
  2. 4. A positively charged ion
  3. 5. gain of electrons
  4. 6. one-half the distance between the nuclei of two atoms of the same element when the atoms are joined
  5. 7. the condition of an atom expressed by the number of electrons that the atom needs to reach its elemental form
  6. 8. Electrons on the outermost energy level of an atom
  7. 11. an element that is shiny and that conducts heat and electricity well
  8. 12. A negatively charged ion
  9. 14. The amount of energy required to remove an electron from an atom