Periodic Table

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Across
  1. 2. To make an educated guess
  2. 4. Smallest particle of an element
  3. 5. Greek and Latin roots of chemical
  4. 8. To show a chemical
  5. 10. Positive charge in nucleus
Down
  1. 1. The way atoms are in a periodic table
  2. 3. Average mass of isotope
  3. 6. Positively charged particle
  4. 7. Chemicals in order
  5. 9. Dense center of particle