Periodic Table

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Across
  1. 2. anything that has mass/volume
  2. 6. the location of the electrons region surrounding the nucleus
  3. 8. neutrally charged nuclei
  4. 9. the number of protons and neutrons
  5. 10. horizontal row
  6. 12. electrons located on the outermost energy level
  7. 15. the bond formed by the transfer of electrons
  8. 16. a substance that conducts heat and electricity
  9. 18. positively charged nuclei
  10. 19. a simple substance that cannot be simplified further
  11. 20. the number of protons contain in a nucleus
  12. 21. the smallest unit of a compound
Down
  1. 1. Table
  2. 3. the likelihood of an element to bond with another
  3. 4. An atom that has gained or lost one or more
  4. 5. an element that is created in a lab
  5. 7. vertical column on a periodic table
  6. 11. negatively charged nuclei
  7. 13. the letters that represent the element name
  8. 14. A bond of two atoms that share valence electrons
  9. 17. building blocks of matter