SCIENCE - Periodic Table

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Across
  1. 3. - What element has the atomic number of 87?
  2. 4. - What element has the atomic number of 25?
  3. 7. - What are the Columns called?
  4. 9. - What element has the atomic number of 45?
  5. 11. - What element is Ga?
  6. 12. - What element has the atomic number of 28?
Down
  1. 1. - This element is in a pencil?
  2. 2. - What element has the atomic number of 35?
  3. 5. - Na is the chemical symbol for ... ?
  4. 6. - What element has the atomic number of 56?
  5. 8. - What element has an atomic mass of 127?
  6. 10. - The rows are called groups or ... ?