Elements of the Periodic Table

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Across
  1. 1. Common table salt component
  2. 4. Precious metal, symbol Ag
  3. 5. First element, symbol H
  4. 7. Precious yellow metal, symbol Au
  5. 8. Found in bones and teeth
  6. 10. Metal in steel, symbol Fe
Down
  1. 2. Essential for respiration
  2. 3. Most abundant gas in Earth's air
  3. 5. Noble gas used in balloons
  4. 6. Noble gas used in bright signs
  5. 8. Basis of all organic life
  6. 9. Light metal used in batteries