Science Crossword Puzzle

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Across
  1. 3. This element is present in some types of alloy metals
  2. 4. 118 elements can be found here
  3. 7. This element is present at some birthday parties
  4. 8. When a chemical reaction takes place, the atoms form a...
  5. 10. A combination of atoms that are not chemically bonded
  6. 12. All elements consist of...
  7. 14. A character was made of this element in The Wizard of Oz
Down
  1. 1. This element is inside your TV remote
  2. 2. A group of atoms can also be called this
  3. 5. The periodic table consists of...
  4. 6. Number 19 on the periodic table
  5. 9. A combination of atoms that are chemically bonded
  6. 11. Takes up space and has mass
  7. 13. Some people prefer gold jewelry, and some prefer...