Crossword

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Across
  1. 2. a horizontal row of elements in the periodic table
  2. 4. another term for atomic mass
  3. 6. has properties that is a mix between metals and non-metals
  4. 7. the way that elements are arranged in the periodic table
  5. 9. the number of protons in the nucleus of an atom, located above the element symbol
  6. 11. another word for group
  7. 12. elements atomic number is 8
  8. 13. the total number of protons and neutrons in an atoms nucleus
  9. 14. element symbol is Fe
  10. 15. a vertical column of elements on the periodic table
  11. 16. metals not a metal
  12. 17. located under the atomic mass
Down
  1. 1. element is located in Group 18 and period 1
  2. 2. table that organizes elements
  3. 3. the smallest piece of matter
  4. 5. two or more elements mixed together to form a
  5. 8. a pure substance
  6. 10. a properties that has to do with heat