2.5 Chemistry Word Puzzle

12345678
Across
  1. 2. The table developed to organize elements based on patterns in their properties.
  2. 4. Elements in the same group share similar ____.
  3. 6. A reactive metal that produces heat and sparks when mixed with water.
  4. 7. A nonmetal that appears on the left side of the periodic table.
Down
  1. 1. Elements that exhibit properties between metals and nonmetals.
  2. 3. The horizontal rows in the periodic table.
  3. 5. The number of elements in the 1st period of the periodic table.
  4. 8. The term for a vertical column in the periodic table.