Periodic Table

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Across
  1. 5. The lightest and most abundant element in the universe.
  2. 6. A highly valuable yellow metal.
  3. 7. The symbol for the element with atomic number 53.
  4. 8. A transition metal with symbol "Ti".
  5. 10. A metal commonly used in cooking utensils.
  6. 11. A reddish-brown metal often used in electrical wiring.
  7. 12. Subatomic particle that orbits the nucleus.
Down
  1. 1. A lustrous white metal commonly used in jewelry.
  2. 2. The element that makes up about 21% of the Earth's atmosphere.
  3. 3. A noble gas with symbol "He".
  4. 4. A highly reactive alkali metal.
  5. 9. The symbol for the element with atomic number 6.