Periodic Trends Vocab.

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Across
  1. 2. A positively charged ion
  2. 9. A chemical element that exhibits some metal and some nonmetal properties
  3. 10. When elements are arranged in order of increasing atomic number, there is a periodic repetition of their chemical and physical properties
  4. 12. A measure of an atom's ability to attract shared electrons to itself
  5. 14. The total distance from the nucleus of an atom to the outermost orbital of its electron
  6. 15. The elements present in s- and p-blocks except inert gases
  7. 17. All of the elements in the second column (2A) of the periodic table
  8. 19. A horizontal row of the periodic table
Down
  1. 1. The elements which form negative ions by accepting or gaining electrons
  2. 3. Elements that have partially filled d orbitals
  3. 4. The amount of energy required to remove an electron from an isolated atom or molecule
  4. 5. A chemical element that forms a salt when it reacts with metal
  5. 6. Any of the elements found in Group 1(A) of the periodic table
  6. 7. A gaseous chemical element that does not readily enter into chemical combination with other elements
  7. 8. Russian chemist who developed a periodic table of the chemical elements and predicted the discovery of several new elements
  8. 11. Any of a class of substances characterized by high electrical and thermal conductivity as well as by malleability, ductility, and high reflectivity of light.
  9. 13. A group of elements with similar chemical properties
  10. 16. A negatively charged ion
  11. 18. An atom or group of atoms that has an electric charge