Vocabulary

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Across
  1. 1. 2 or more elements
  2. 5. dealing with chemistry
  3. 7. good
  4. 9. within, inside
  5. 10. oxy
  6. 11. Standing, staying
  7. 12. no more that 1 element
Down
  1. 2. small number after the element
  2. 3. write
  3. 4. iron
  4. 6. beyond, outside
  5. 8. turn, change