The Periodic Table

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Across
  1. 2. Clue: Horizontal row of the periodic table
  2. 7. Clue: Elements
  3. 9. Clue: Way of arranging the elements
  4. 10. Clue: Little energy transition from solid to liquid
  5. 11. Clue: Substances that exhibit some properties of metals and nonmetals.
  6. 12. Clue: Straightforward definitions like "a number of people or things"
  7. 14. clue: Hammered into thin sheets
  8. 15. Clue: Mineral reflects light
Down
  1. 1. Clue: Unit of measurement
  2. 3. clue: Easily broken
  3. 4. Clue: Arranged by increasing atomic number
  4. 5. Clue: Generally a poor conductor of heat and electricity
  5. 6. Clue: Element's properties, uses, symbol, or atomic number.
  6. 8. Clue: Elements
  7. 13. Clue: Phosphorus is a main component in the body