Periodic Table of Elements

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1234567891011121314151617
Across
  1. 2. This metal is used to make foil wrappers for food
  2. 4. Named for a US state
  3. 7. The lightest element in the whole table
  4. 10. Its atomic mass is very close to 16
  5. 13. The only element that starts with Z
  6. 15. Symbol = K
  7. 16. The heaviest element that is a liquid at room temperature
  8. 17. Atomic number 78
Down
  1. 1. Element named for the scientist famous for E = mc2
  2. 3. This element is used in a certain type of bright orange light
  3. 5. Heaviest element with a single letter for its symbol
  4. 6. Named for the country France
  5. 8. A common choice for wedding rings, its symbol comes from the Latin word "aurum"
  6. 9. Named after America
  7. 11. It's an element, but also a type of coin equal to 1/20 of a dollar
  8. 12. Needed for strong bones; found in dairy products
  9. 14. A ballon full of this gas will float