Periodic Table Crossword

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123456789101112131415161718
Across
  1. 3. vertical column
  2. 5. positively charged, found in nucleus
  3. 6. negatively charged, found in a atoms energy level
  4. 8. another name for metalloid
  5. 10. atom or a group of atoms that has lost or gained one or more electron
  6. 13. a pure substance
  7. 15. protons in the nucleus of an atom
  8. 17. antoher name for group
  9. 18. neutral particle in the nucleus of an atom
Down
  1. 1. horizontal row
  2. 2. another name for group
  3. 4. area in an atom where there is a high chance of finding electrons
  4. 7. poor conductors of heat and electricity
  5. 9. energies an electron may have in an atom
  6. 10. the process of adding electrons to or removing electrons from an atom or group of atoms
  7. 11. properties of metal and nonmetals
  8. 12. number of protons and netrons in a nucelas
  9. 14. center of an atom
  10. 15. smallest thing with properties of an element
  11. 16. good conductors of heat and electricity