Periodic Table Review

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Across
  1. 3. anything that has mass and takes up space
  2. 5. the central part of an atom that holds the majority of its mass
  3. 11. Basically hybrids that can have properties of metals or nonmetals
  4. 12. Metals have a metallic or shiny ___.
  5. 14. amount of force acting on an object
  6. 16. Located on the upper-right side of the Periodic Table
  7. 17. Created his periodic chart in 1869
  8. 18. neutrally charged subatomic particle
  9. 19. can be hammered into sheets
Down
  1. 1. smallest unit of matter that can individually retain the physical/chemical properties of an element
  2. 2. Located along the "staircase" of the Periodic Table
  3. 4. can be drawn into wire
  4. 6. the amount of matter in an object
  5. 7. The ______ mass is appx. the number of protons and neutrons in an atom
  6. 8. negatively charged subatomic particle
  7. 9. positively charged subatomic particle
  8. 10. the quantity of 3D space occupied by a solid, liquid, or gas
  9. 11. good conductors of heat and electricity
  10. 13. Located on the left side of the Periodic Table
  11. 15. Poor conductors of heat and electricity
  12. 18. The atomic ______ is the number of protons in an atom of an element