Periodic Table

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Across
  1. 2. - a row in a periodic table
  2. 6. - the smallest particle that has the properties of an element
  3. 7. table - an arrangement of elements in columns based on a set of properties
  4. 9. - gas is the most abundant gas in our atmosphere (79%)
  5. 10. - an element that has properties of both a metal and nonmetal
  6. 11. gases - the elements in Group 8A of the periodic table
  7. 12. - are the particles in atoms that have a neutral charge
  8. 14. theory - a theory that states that matter is made of atoms
  9. 16. - the elements in Group 7A of the periodic table
  10. 17. - a vertical column of elements in the periodic table
Down
  1. 1. - are the particles in atoms that have a positive charge
  2. 3. symbol - the letters representing the element
  3. 4. - another name for group
  4. 5. - capable to being drawn into wire
  5. 8. - are the particles in atoms that have a negative charge
  6. 10. - the smallest unit of an element that has all of the properties of the compound
  7. 13. - gas that is the second most abundant gas in our atmosphere (21%)
  8. 15. - another name for period in the periodic table