Properties of Matter

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Across
  1. 3. Silver's atomic symbol
  2. 7. number Elements are placed in order of what on the periodic table
  3. 9. Horizontal rows are called...
  4. 10. Positively charged particles in an atom
  5. 11. The center of an atom
  6. 12. The chemical name for Fe
  7. 15. I invented the periodic table. (Last name only)
  8. 16. I am the only metalloid to start with B
Down
  1. 1. Who created the first complete attempt to describe all matters in terms of atoms and their properties (last name only)
  2. 2. My atomic number is 88
  3. 4. Vertical columns are called....
  4. 5. The protons and neutrons are responsible for the what of an atom
  5. 6. I am a noble gas, my atomic number is 10
  6. 8. I have an atomic mass of 9.0122
  7. 13. Negatively charged particle in an atom
  8. 14. Particle with no charge in an atom