Elements and Compounds Quiz

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Across
  1. 2. A chart that shows elements arranged by their repeating properties
  2. 3. A material containing two or more elements chemically combined
  3. 5. Seventh-five percent of all elements are ________
  4. 6. A substance made of one kind of atom
  5. 9. All atoms of the same element have the same number of _________.
  6. 12. What particle allows elements to form compounds
  7. 14. Compounds have _______ properties from the elements they are made of
  8. 15. Elements on the periodic table are arranged by this
Down
  1. 1. The atomic number is equal to the number of _________
  2. 4. Elements that are dull and poor conductors
  3. 7. The "recipe" that shows what elements are in a compound is called a chemical_________
  4. 8. Metals are good _________ of heat and electricity
  5. 10. The vertical columns of the periodic table
  6. 11. Scientist who arranged the first periodic table
  7. 13. The horizontal rows of the periodic table