Chemistry Crossword Puzzle

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Across
  1. 6. The element with the atomic symbol I
  2. 7. The element with the atomic symbol as Sb
  3. 8. pure substances that are the unions of two or more elements
  4. 9. The first element on the periodic table
  5. 12. How many groups there are on the periodic table
  6. 14. diverse in character or content
  7. 16. Atoms that have an unequal number of electrons and protons
  8. 17. When did Dmitri Mendeleev publish a table of the elements organized by increasing atomic mass?
  9. 20. Which element has 79 protons?
  10. 22. Which element has the atomic symbol Pb?
  11. 24. If it CAN be separated by physical means it is a _______
  12. 25. The element with 48 protons
  13. 26. A substance made of all the same kind of particle
  14. 27. Chadwick, The man who found the Neutron
  15. 28. How many periods there are on the periodic table
  16. 30. What test is used to ID some metals in compounds?
  17. 31. Theory that states Atoms are building blocks of elements
Down
  1. 1. Law, The law that was named after Robert Boyle
  2. 2. Atoms with the same number of electrons and protons
  3. 3. The amount of elements on the Periodic Table
  4. 4. of the same kind; alike
  5. 5. The final element on the periodic table
  6. 10. Germanium has what Atomic symbol?
  7. 11. substance, If it CAN'T be separated by physical means it is a ____ _________
  8. 13. What are bundles of light energy that is emitted by electrons as they go from higher energy levels to lower levels?
  9. 15. The shape of an atom
  10. 18. Ions that form by losing electrons
  11. 19. The element with 31 protons
  12. 21. How many protons does Radon have?
  13. 23. which element has 66 protons?
  14. 29. The element with 22 protons