Periodic Table

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Across
  1. 3. - heavy for its size
  2. 5. - Heat and electricity do NOT move through easily
  3. 7. – can be drawn into thin wires
  4. 8. - Elements are made of unbelievably small particles
  5. 11. – elements with properties that fall between those of metals and nonmetals
  6. 13. a shiny surface or reflecting light brightly
  7. 15. - a pure substance that CANNOT be changed into simpler substances
  8. 16. – elements that are good conductors of electric current and heat
Down
  1. 1. – elements that are poor conductors of heat and electric current
  2. 2. – elements that form a bridge between the elements on the left and right sides of the table
  3. 4. - The modern periodic table is based on the number of _______.
  4. 6. - Break or shatter easily
  5. 9. – Russian chemist who developed the periodic classification of the elements
  6. 10. – Each row in the table of elements
  7. 11. – able to be hammered or pressed permanently out of shape without breaking or cracking
  8. 12. - Not shiny
  9. 14. – Each column in the periodic table