Periodic Table

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12345678910111213141516171819
Across
  1. 3. the horizontal row(s) of the periodic table
  2. 8. a Russian man that made the first periodic table with 63 elements
  3. 11. the vertical row(s) of the periodic table
  4. 12. an element that makes up most of electronic wafers
  5. 15. a particle with no charge and has effect on mass
  6. 17. an element whose symbol is Fe
  7. 18. an element with the atomic number of 2
  8. 19. an element that is found easily and can have four bonds
Down
  1. 1. a word used to describe an object's inferior size to another and has physical properties
  2. 2. an atom with a positive or negative charge
  3. 4. an element with the atomic number of 1
  4. 5. a particle with a negative charge and is commonly found in an outer cloud of atoms
  5. 6. a force on an object by gravity
  6. 7. a particle with a positive charge and has effect on mass
  7. 8. something that is good at conducting and usually malleable, ductile, and shiny
  8. 9. a basic piece of matter consisting of protons, neutrons, and elections
  9. 10. a determination of how much matter is in an object
  10. 13. a version of a given element with different amounts of neutrons
  11. 14. an element that makes up about 20% of air
  12. 16. a pure substance distinguished by atomic number on the periodic table